Gallery 0 Results Reset search Close Tonle Sap lake in Cambodia. The Prek Toal Ramsar Site includes some of the most pristine floodplains in the Tonle Sap. Sorn Pheakdey The Prek Toal Ramsar Site includes some of the most pristine floodplains in the Tonle Sap Biosphere Reserve in Cambodia.The local communities live in floating houses and depend on fishing and aquaculture for their livelihoods. Lew Young