MAR 18, 2015 10:47 AM PDT

Hang Son Doong Cave in Vietnam


Take an otherworldly journey through Hang Son Doong, the world's largest cave, by both ground and air.
Filmed near the entrance and the first and second dolines (skylights) which are 2.5 and 3.5 km inside the cave respectively.
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  • I'm a writer living in the Boston area. My interests include cancer research, cardiology and neuroscience. I want to be part of using the Internet and social media to educate professionals and patients in a collaborative environment.
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