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Divers just discovered the deepest blue hole on Earth, and they still can’t find the bottom

A team of researchers has confirmed the discovery of the deepest known blue hole on the planet in the waters of Chetumal Bay, ...
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Divers found Earth’s deepest blue hole, and the bottom is missing

Far from the open ocean trenches, divers in a shallow Mexican bay have found a vertical portal into the unknown. The Taam Ja’ Blue Hole plunges so far beneath Chetumal Bay that scientists have not yet ...