AdvertisementMount Everest: Avalanche Death Toll Rises To 13April 19, 2014Bill ChappellfacebookEmailNepalese search team members rescue a survivor of an avalanche on Mount Everest on Friday. At least 13 Nepalese guides preparing routes for commercial climbers were killed by an avalanche in the most deadly mountaineering accident ever on the world's highest peak. (AFP/Getty Images)