Researchers have found in Vietnam what they believe to be the world's largest cave:
By contrast, explorers walked 2.8 miles (4.5 kilometers) into Son Doong, in Phong Nha-Ke Bang National Park, before being blocked by seasonal floodwaters—and they think that the passage is even longer.
In addition, for a couple of miles Son Doong reaches more than 460-by-460 feet (140-by-140 meters), said Adam Spillane, a member of the British Cave Research Association expedition that explored the massive cavern.
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This is how 'Rhodan' began, isn't it?
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Just for the sheer absurdity, I'd love to throw a hot dog into it.
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If you're ever near Tucson, be sure to (try) to see Kartchner Caverns. The Throne Room is awesome, although dwarfed by this beauty.
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Awesome, I'd also like to see that when I visit Vietnam. If I ever do.
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That is awesome! would love to visit it, if it were possible.
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