Australian diver Dave Shaw thought he was on a heroic recovery mission when he descended 900ft into South Africa’s deepest freshwater cave to retrieve a body.
Instead, the crushing abyss claimed his life too, in a catastrophe that experts say could have been avoided.
It all started in October 2004, when Shaw, a pilot and celebrated undersea cave explorer, set a world record for the deepest dive using a rebreather – which recycles exhaled air to allow for longer excursions – at Bushman’s Hole in South Africa.
Hidden beneath the surface of the entrance to the eerie hole is a cave plunging at
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