Tommy Caldwell: the unexpected champion. Legend of the longest wall climbs of El Captain, Tommy changed the rules of the sport and is known for having climbed the hardest Big Wall in the world in free climbing after 19 days on the wall: The Dawn Wall. The vocation for overcoming limits has characterized him since day one. Starting from his own garden, from his own garage, Tommy climbed up to compete with the climbing pros starting as a complete stranger in the first open races. We will tell you the rest in a truly unique episode of Climbing Sparkling Moments.