Watch freediver Guillaume Néry plunge deep into a blue hole abyss off the coast of Long Island, Bahamas. A “blue hole” is a term for a water-filled sinkhole with an entrance below water level. Seen here is Dean’s Blue Hole, the world’s deepest known salt water blue hole. It plunges 202 metres (663 ft)…
Watch freediver Guillaume Néry plunge deep into a blue hole abyss off the coast of Long Island, Bahamas. A “blue hole” is a term for a water-filled sinkhole with an entrance below water level. Seen here is Dean’s Blue Hole, the world’s deepest known salt water blue hole. It plunges 202 metres (663 ft)…
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