What does it take to climb the world's tallest mountain, Mount Everest? Through photography, videography, animation and old-fashioned story-telling, mountaineer Patrick Hollingworth gives us an insight into what climbing Everest is really like. Overcoming a fear of heights and a near-fatal pulmonary edema, Patrick's is a story of the value of teamwork and pushing one's own limits. --- In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to sp ... More from YouTube