Five people died in the French Alps last weekend in sporting incidents from paragliding to wingsuit flying. What pushes people to test the ultimate limits of their own safety?

Dario Zanon flying the Rock Star Line in September last year. He died in France in June.

"Small things become big quickly at 110mph. He was 33."

https://www.theguardian.com/sport/2016/aug/20/why-are-deadly-extreme-sports-more-popular-than-ever