Part 4 of the TED Radio Hour episode To The Edge.
About Philippe Petit's TEDTalk
High-wire artist Philippe Petit tells the story of his 1974 tightrope walk between the Twin Towers and explains his lifelong fascination with pushing himself to the limit.
About Philippe Petit
Philippe Petit surprised the world when he walked illegally between the Twin Towers in 1974. He's also tightrope-walked across the Sydney Harbour Bridge and the Notre Dame Cathedral. Petit's book, To Reach the Clouds, is the basis of the Academy Award-winning documentary film Man on Wire.