Going Inside Earths Mysterious Blue Hole Documentary

Описание к видео Going Inside Earths Mysterious Blue Hole Documentary

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A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock (limestone.

A team of divers plunge in to explore the mysterious blue holes of the Bahamas. It is believed that these underwater time capsules formed during the last ice age, the salt water is trapped.

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