Without fins or an exposure suit, William Trubrudge free dives "The Arch" which is situated at a depth of 58 metres in the Blue Hole, Dahab...
As little as 20 years ago scientists were convinced that humans could not survive without special equipment beyond a depth of 50 metres. Now, with the assistance of a recently discovered physiological process called blood shift, so-called "No Limits" free divers plunge to depths of over 200 metres.
http://en.wikipedia.org/wiki/Free-diving
Wednesday 16 April 2008
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