![Fast Horse](https://bigtvshow.com/wp-content/uploads/2019/03/kqZAmbUMuMo1x4OCnZqehJGmmda-185x278.jpg)
In the middle of Yosemite National Park towers El Capitan, a huge block of granite whose smoothest side, the Dawn Wall, is said to be the most difficult rock climb in the world. Tommy Caldwell didn’t see inhospitable terrain, but rather a puzzle almost a kilometer tall. In The Dawn Wall, we follow him and Kevin Jorgeson in their historic ascent to the summit.