In April, an avalanche on Mt. Everest killed 16 Nepali Sherpa guides who were fixing ropes and ferrying supplies for their foreign clients to climb the 29,035-foot peak. The accident -- the deadliest in the history of Everest -- triggered a dispute between sherpa guides who wanted a climbing ban in honor of their colleagues and the Nepali government that refused to close the mountain. The sherpas staged a boycott, forcing hundreds of foreign climbers to call off their bids to climb Everest.
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