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The sinkhole is being described as the world's largest at 987 feet (300.89 meters)
The sinkhole is being described as the world's largest at 987 feet (300.89 meters)

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    Inside the world's deepest blue hole

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Inside the world's deepest blue hole

Plummeting to depths of 300m (987ft), researchers say this sinkhole in the South China Sea is the deepest in the world.

Inside the world's deepest blue hole

Plummeting to depths of 300m (987ft), researchers say this sinkhole in the South China Sea is the deepest in the world.