Higher, Further, More Extreme - Pioneers and Adventurers

Sailing around the world alone at 14, a parachute jump from 38,000 metres, climbing Mount Everest without oxygen - what drives men and women to such daring adventures? Sailing around the world alone at 14, a parachute jump from 38,000 metres, climbing Mount Everest without oxygen - what drives men and women to such daring adventures? Sailing around the world alone at 14, a parachute jump from 38,000 metres, climbing Mount Everest without oxygen - what drives men and women to such daring adventures? Sailing around the world alone at 14, a parachute jump from 38,000 metres, climbing Mount Everest without oxygen - what drives men and women to such daring adventures?