Did you know that there is a cave in Vietnam which is a home to an entire forest, and one could fit an entire building in it as well? The authors of this extraordinary documentary, National Geographic`s Boyd Matson and Mark Jenkins, will take you on a journey to the wilderness of Vietnam in order to show you the natural wonder that lies there unspoiled by humans.
The Doong Hang Son cave is 2.5 miles long and it is located along the border between Vietnam and Laos. This amazing work of nature is over three times higher than Niagara Falls.Could this be the world’s largest cave?
Featuring vintage, NGC reveals for the first time in history, striking evidence that this could be the largest cave in the world. Together with renowned expedition leader Howard Limbert, Darryl Granger cave geologist discovered the formula of how the cave was so big.
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