Some of the world’s best cave divers have travelled to the Bahamas Islands to plunge into the unique abyss found in blue holes –underwater caves that can go hundreds or even thousands of feet down and feature a maze of passages and tunnels, which act as liquid time capsules.Led by National Geographic emerging explorer and anthropologist Kenny Broad, a team of divers and archaeologists investigate these caves to unlock the mysteries of an ancient Bahamas teeming with life that quickly vanished, leaving the islands now mostly barren.

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