Drone Captures Mysterious Cave In Vietnamese Forest, Revealing Forgotten Kingdom.
Hang Son Doong or "River Mountain Cave" was the largest unexplored cave in the world, until Howard and Deb Limbert and others of the British Caving...
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Meet The Record-Breaking Woman Who Walks Over Canyons On Nothing But A Rope.
The first time Faith Dickey set foot on a highline she was, justifiably, terrified. A highline is a tight cable stretched between two anchors. In...
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