you can read about it here:
http://abcnews.go.com/Nightline/story?id=943506
July 15, 2005 — For tonight's broadcast, "Nightline" joined forces with writer Tim Zimmerman and filmmaker Gordon Hiles, who documented an ambitious dive to one of the world's deepest, most dangerous underwater caves.
In the northern cape region of South Africa, near the Kalahari desert, is Bushman's Hole — the third deepest cave in the world.
At least 927 feet deep, it might take a diver 10 minutes to get to the bottom but at least 10 hours to return to the surface. Even the most experienced diver takes his life into his hands when he tries to reach the bottom.
In 1994, 20-year-old Deon Dreyer descended into Bushman's Hole with 200 successful dives to his name. But this time, he apparently blacked out and was never heard from again.......
http://abcnews.go.com/Nightline/story?id=943506
July 15, 2005 — For tonight's broadcast, "Nightline" joined forces with writer Tim Zimmerman and filmmaker Gordon Hiles, who documented an ambitious dive to one of the world's deepest, most dangerous underwater caves.
In the northern cape region of South Africa, near the Kalahari desert, is Bushman's Hole — the third deepest cave in the world.
At least 927 feet deep, it might take a diver 10 minutes to get to the bottom but at least 10 hours to return to the surface. Even the most experienced diver takes his life into his hands when he tries to reach the bottom.
In 1994, 20-year-old Deon Dreyer descended into Bushman's Hole with 200 successful dives to his name. But this time, he apparently blacked out and was never heard from again.......
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