Why is 27 meters (and not 25 or 29) the standard height? What is the scuba divers' job? Why does it only take 5 meters of water depth? What make the athletes dive from almost three times the Olympic height -- the thrill and the challenge of this spectacular sport? And is it possible to dive head first from this height? For your reference: the height is comparable to an eight-storey building, the divers fall free for three seconds before they hit the water at 85 km/h.<br /><br />Best extreme sports video contests now on http://www.ridersmatch.com! <br /><br />JOIN RIDERS MATCH :<br />Facebook : https://www.facebook.com/riders.match<br />Twitter : https://twitter.com/#!/ridersmatch<br />Google + : https://plus.google.com/106087066887108100503<br /><br />©Redbull - http://redbull.com