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The sinkhole so big you can fit the Shard inside: Giant underwater cave billed as 'the world's deepest' is found in the South China Sea
A giant underwater sinkhole found in the South China Sea is believed to be the deepest in the world.
The finding was announced on Friday by researchers from China, reported Huanqiu.com, an affiliation to People's Daily Online.
Dubbed the 'Dragon Hole' by the Chinese, the limestone cave is 300.89 metres (987 feet) deep, which is nearly the height of the 1,003-foot-tall skyscraper, The Shard.