Mysteries of the Mekong
Laos: The Karst Caves
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In central Laos, the Xiangkhouang Plateau is a landscape characterized by green mountains, rugged karst formations, and verdant valleys, with the Mekong River at its heart. It's also home to primates like red-shanked doucs, as well as more mysterious inhabitants in the region's vast underground caves--some never before seen on film.