Documenting The Icefall's drama, David Breashears trains his lens on Araceli Segarra. The specially designed camera performed remarkably, despite the extreme cold, high winds, snowfall - and the wear and tear that comes with daily travel on Sherpa backs. A single 500-foot reel of film lasts 90 seconds.

Find this and other spectacular pictures from the expedition in "Everest: Mountain Without Mercy" published by National Geographic. For more information, link to National Geographic on our "Links and Merchandise" page.