The world's largest cave passage in the heart of the Vietnamese jungle5.39.217.76/ W) n# D; q% d' |: K% d; H k
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Possibly the world's largest cave passage, Hang Son Doong was discovered in the heart of the Vietnamese jungle by a British caving team. At 150m long and 200m high, it is seven times as high as York Cathedral/ }. \2 Y5 E4 ]. U1 X/ E
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Originally discovered in 1991, the cave had not been entered since, due to the terrifying wind and noise from the large underground river
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+ m9 o$ L- R4 Q; ]The team spent five days exploring the cave after trekking six hours through the jungle to find it. They had to negotiate two underground rivers before reaching the main passage
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The Hang Son Doong cave is believed to be almost twice the size of the current record holder. It has been hailed as 'amazing' and a 'significant discovery' by the expedition team |