Which is the largest cave chamber known on Earth?
Quick Answer
Sơn Đoòng Cave in Vietnam contains the world’s largest known cave chamber by volume. Its main passage is so huge that it has its own jungle and river system.
The Full Story
Sơn Đoòng Cave, in central Vietnam, is regarded as home to the largest known cave chamber by volume. Discovered by local man Hồ Khanh in 1991 and later surveyed by British cavers in 2009, it astonished scientists with its immense scale. Some passages are large enough to fit skyscrapers, and the cave contains underground rivers, stalagmites, and even a forest where cave roof collapses let in daylight. Its discovery showed how much of Earth’s subsurface landscape still remains unexplored.
Key Facts
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"This cave is so huge it has clouds and a jungle inside."
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