New Largest Known Cave

photo of world's largest known cave,  in Vietnam

The world’s largest cave

A British caving team believe they have discovered the world’s largest cave passage in the heart of the Vietnamese jungle. The rocky passage is 150metres long and measures a towering 200metres in height – seven times as high as the vaulted ceiling of York Cathedral.
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Called Hang Son Doong (Mountain River Cave) it is believed to be almost twice the size of the current record holder
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The cave was originally discovered in 1991 by a Vietnamese Jungle man called Ho Khanh. However Mr Spillane said no-one had entered if before because ‘it emitted a frightful wind and noise which was due to a large underground river’.

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