Stock photography, photos: Tonle Sap Lake - Cambodia Stock photos of Floating houses and boat traffic ply the waters of Tonle Sap, a large lake that lies south of Siem Reap, Cambodia. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: cambodia, tonle sap, lake, river, siem reap, boats, water, southeast asia, floating houses, dwellings, homes, houses