Duo Successfully Free Climbs Yosemite Rock Wall

Tommy Caldwell (top) raises his arms after reaching the summit of El Capitan as seen from the valley floor in Yosemite National Park, California, Jan. 14, 2015.

In this Jan. 8, 2015 photo provided by Tom Evans, Tommy Caldwell (in red) climbs Pitch 19 as Kevin Jorgeson secures rope on a rest day, Yosemite National Park, California.

Spectators gaze at El Capitan for a glimpse of climbers Tommy Caldwell and Kevin Jorgeson as seen from the valley floor in Yosemite National Park, California,  on Jan. 14, 2015.

In this Jan. 9, 2015 photo provided by Tom Evans, Kevin Jorgeson climbs on what is known as Pitch 15. This free climb of El Capitan, the largest monolith of granite in the world, has been called the hardest rock climb in the world, Yosemite National Park, California.

Kevin Jorgeson (left) and Tommy Caldwell climb El Capitan, Jan. 14, 2015.