In this October 27, 2011 file photo, the last light of the day sets on Mount Everest as it rises behind Mount Nuptse as seen from Tengboche, in the Himalaya's Khumbu region, Nepal. Nepal is improving weather forecasting systems, stepping up security and promises swift rescues if needed during the upcoming climbing season on Everest in attempt to recover from the worst mountaineering disaster on the world's highest peak last year, officials said Monday. (Photo by Kevin Frayer/AP Photo)
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