Helmet Cam Captures Man's Amazing Climb to Safety in the Himalayas

After falling 70 feet into a crevasse, geology professor John All climbed out despite 5 broken ribs and a broken arm.
1:45 | 05/23/14

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Transcript for Helmet Cam Captures Man's Amazing Climb to Safety in the Himalayas
climber's terrifying fall, caught on camera, plunging 70 feet into a deep, icy hole. Somehow managing to climb out, despite some serious injuries. ABC's John muller has this incredible survival story. I'm in a hole. Thankfully I didn't keep falling that way. Reporter: He's a man literally in the depths of despair. Geology professor John all capturing his time plummeting in the ice. I got up here, instead, my ledge. My arm, I can't use. Reporter: Hiking alone on a relatively flat snowfield, all had just fallen into a crevasse, landing on a ledge. The blue sky high above. No easy way out, with a broken arm, ribs and other injuries. All said he was convinced he was going to die. I was getting hypothermic of five minutes of being there. And the only thing that was going to keep me alive, was constantly moving and finding my way out before it got dark. Reporter: Life or death decisions caught on camera. I'm going to somehow climb out that way. I can't go that way at all. Reporter: It took all six hours to climb out. Slowly moving sideways and up. Sideways and up until he found enough hard snow into which he could dig his ax and pull himself out of that hole. It took another day for help to arrive in the form of a helicopter. Despite his injuries, all plans to be on a climbing expedition in Peru next month. For "Good morning America," John muller, ABC news, New York.

This transcript has been automatically generated and may not be 100% accurate.

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