Discover Son Doong Cave: The Largest Cave Passage with its Own Ecosystem The Son Doong Cave in Vietnam is the largest cave passage in the world. This huge and intricate cave system was created by water that percolated down from a rainforest…
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The Mystery of the Giant Crystals: How the 36-foot Geode of Pulpí Formed In an abandoned mine in southern Spain, there is a room of pure crystal. You have to go to a deep tunnel, get into a ladder in…
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Explorers Unearth Hidden Subterranean World Beneath Antarctica’s Galindez Island The 24th Ukrainian expedition members to Antarctica have managed to trace down a cave that had long been lost. The subterranean formation is three times larger than previously thought and features…
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