What makes a world-class cliff diver?

Diving from 27 meters at speeds up to 85 kph is not for the faint of heart...or most people in the world for that matter. Years of highly disciplined preparation, refined technique, and physical/mental strength are a good start to getting there, but what do these athletes have that allows them to pull off such incredible dives? The best athletes in the sport break down what it takes to be a world-class cliff diver.