hang son doong
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Check Out The Staggering Size And Beauty Of The World’s Largest Cave
Wow. Ryan Deboodt took a drone inside Hang Son Doong in Vietnam, also known as the world’s largest cave, and captured stunning footage that shows off a world that looks like no other. You get a sense of the size of the place — the biggest chamber is 5km long, 200m high and 150m wide…