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The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap is a vast lake in Cambodia’s central northwest, surrounded by a fertile plain. The Sap River runs from the lake’s southeastern end to join the Mekong in Phnom Penh, some 100km (63 miles) distant.<br/><br/> During the dry months, roughly between November and May, the lake is at its smallest, though it still covers 2,500 to 3,000sq km (965 to 1,160sq miles). When the rains fall, though, from mid-May through October, a unique hydrographic phenomenon occurs. The rising waters of the Mekong cause the flow of the Sap River to reverse. During this period, the Tonlé Sap increases in surface area, sometimes to well in excess of 10,000sq km (3,860sq miles). At its lowest most of the lake is less than 2m (6.5ft) deep, and can resemble a marsh criss-crossed by navigable channels, but when at its fullest, its depth increases to as much as 14m (45ft), and it gains up to 70km (44 miles) in width.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap is a vast lake in Cambodia’s central northwest, surrounded by a fertile plain. The Sap River runs from the lake’s southeastern end to join the Mekong in Phnom Penh, some 100km (63 miles) distant.<br/><br/> During the dry months, roughly between November and May, the lake is at its smallest, though it still covers 2,500 to 3,000sq km (965 to 1,160sq miles). When the rains fall, though, from mid-May through October, a unique hydrographic phenomenon occurs. The rising waters of the Mekong cause the flow of the Sap River to reverse. During this period, the Tonlé Sap increases in surface area, sometimes to well in excess of 10,000sq km (3,860sq miles). At its lowest most of the lake is less than 2m (6.5ft) deep, and can resemble a marsh criss-crossed by navigable channels, but when at its fullest, its depth increases to as much as 14m (45ft), and it gains up to 70km (44 miles) in width.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.
The Tonlé Sap (Large Fresh Water River or Great Lake) is a combined lake and river system of major importance to Cambodia.<br/><br/> The Tonlé Sap is the largest freshwater lake in South East Asia and is an ecological hot spot that was designated as a UNESCO biosphere in 1997.<br/><br/> The Tonlé Sap is unusual for two reasons: its flow changes direction twice a year, and the portion that forms the lake expands and shrinks dramatically with the seasons. From November to May, Cambodia's dry season, the Tonlé Sap drains into the Mekong River at Phnom Penh. However, when the year's heavy rains begin in June, the Tonlé Sap backs up to form an enormous lake.<br/><br/> The Tonlé Sap is home to many ethnic Vietnamese and Cham communities, living in floating villages around the lake.