A Nepalese government delegation met with Sherpa mountain guides near Mount Everest's base camp on the south side of the mountain Thursday. The government was hoping to persuade the guides to continue working even though 16 Sherpas had died a week earlier. But fresh ice avalanches on Friday appear to have doomed Nepal's climbing season. Adrian Ballinger/Alpenglow Expeditions/AP hide caption

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Adrian Ballinger/Alpenglow Expeditions/AP

Nepalese 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. Prakash Mathema/AFP/Getty Images hide caption

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Prakash Mathema/AFP/Getty Images