Tommy Caldwell doing the second free ascent of The Zodiac on El Capitan, Yosemite National Park, California. Caldwell is one of the worlds leading rock climbers. In the lower third Caldwell's climbing partner, Kevin Swift, is visible belaying while laying on his portaledge.

color photo rock climbing lead climbing mountains challenging concentration determination male man big wall porta ledge endurance high angle perspective two people teamwork difficult vertical yosemite national park california united states photography outdoors color image tommy caldwell