47-year-old Mark Inglis climbed Mount Everest in 2006, despite having no legs and one of his prostheses snapping in half during the  middle of his climb at 21,000 feet. 
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47-year-old Mark Inglis climbed Mount Everest in 2006, despite having no legs and one of his prostheses snapping in half during the  middle of his climb at 21,000 feet. 
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