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Ain't no mountain high enough for them: Two daredevils attempt world's most difficult climb

Two daredevils are at Yosemite National Park trying to scale El Capitan, which towers more than 3,000 feet. They’re trying to free-climb the rock formation using only a rope.

Two daredevils are at Yosemite National Park trying to scale El Capitan, which towers more than 3,000 feet. They’re trying to free-climb the rock formation using only a rope.