SYDNEY, AUSTRALIA - JULY 07: A fan crowdsurfs at the Australian leg of the Live Earth series of concerts, at Aussie Stadium, Moore Park on July 7, 2007 in Sydney, Australia. Launched by former US Vice President Al Gore to combat Global Warming, the concert is one of a series taking place over a 24-hour period on July 7 across seven continents. (Photo by Gaye Gerard/Getty Images)

This was at concert in Australia, a blind guy was brought up on stage and stage dived.

You can see him test the length of gap from the stage to the crowd and then make the leap.