PALAWAN (PHILIPPINES): WORLD´S LONGEST UNDERGROUND RIVER

Source: YouTube

Travel by boat, through a massive cave on the longest underground river in the world. declared by UNESCO as a World Heritage Site. See hundreds of bats, (close your mouth when looking up at the bats) giant monitor lizards, monkeys, python, sea snakes and other wildlife. An ECO-TOURISM adventure. info@globalvideoprotv.com