In this photo provided by Azim Afif, a helicopter prepares to rescue people from camp 1 and 2 at Everest Base Camp, Nepal on Monday, April, 27, 2015. On Saturday, a large avalanche triggered by Nepal's massive earthquake slammed into a section of the Mount Everest mountaineering base camp, killing a number of people and left others unaccounted for. Afif and his team of four others from the Universiti Teknologi Malaysia (UTM) all survived the avalanche. (Azim Afif via AP)