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.

Called Hang Son Doong (Mountain River Cave) it is believed to be almost twice the size of the current record holder

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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