An injured person is loaded onto a rescue helicopter on Sunday, April 26, at Everest base camp. The bodies of those who died lie under orange tents. <a href="http://www.cnn.com/2015/04/26/asia/nepal-earthquake/index.html">The devastating earthquake that hit Nepal on Saturday</a> set off avalanches that left large numbers of climbers dead, missing, injured or trapped on Mount Everest.
An injured person is loaded onto a rescue helicopter on Sunday, April 26, at Everest base camp. The bodies of those who died lie under orange tents. The devastating earthquake that hit Nepal on Saturday set off avalanches that left large numbers of climbers dead, missing, injured or trapped on Mount Everest.
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An injured person is carried by rescuers on April 26 to be airlifted by helicopter at Everest base camp.
An injured person is carried by rescuers on April 26 to be airlifted by helicopter at Everest base camp.
ROBERTO SCHMIDT/AFP/Getty Images
Rescue team personnel carry an injured person toward a waiting rescue helicopter on April 26 at Everest base camp.
Rescue team personnel carry an injured person toward a waiting rescue helicopter on April 26 at Everest base camp.
ROBERTO SCHMIDT/AFP/Getty Images
An injured person is carried by rescuers on April 26 to be airlifted by helicopter at Everest base camp.
An injured person is carried by rescuers on April 26 to be airlifted by helicopter at Everest base camp.
ROBERTO SCHMIDT/AFP/Getty Images
An injured person is helped to a landing area on April 26.
An injured person is helped to a landing area on April 26.
ROBERTO SCHMIDT/AFP/Getty Images
Night falls after an avalanche triggered by a massive earthquake swept across Everest base camp.
Night falls after an avalanche triggered by a massive earthquake swept across Everest base camp.
Azim Afif/AP
A cloud of snow and debris triggered by an earthquake flies toward Everest base camp on Saturday, April 25. The avalanche flattened part of the camp in the Himalayas.
A cloud of snow and debris triggered by an earthquake flies toward Everest base camp on Saturday, April 25. The avalanche flattened part of the camp in the Himalayas.
ROBERTO SCHMIDT/AFP/Getty Images
Expedition guide Pasang Sherpa runs toward flattened tents on April 25 in search of survivors, shortly after an avalanche that flattened parts of Everest base camp.
Expedition guide Pasang Sherpa runs toward flattened tents on April 25 in search of survivors, shortly after an avalanche that flattened parts of Everest base camp.
ROBERTO SCHMIDT/AFP/Getty Images
Rescuers look for survivors on April 25.
Rescuers look for survivors on April 25.
ROBERTO SCHMIDT/AFP/Getty Images
People look at the devastation on April 25 after the avalanche.
People look at the devastation on April 25 after the avalanche.
ROBERTO SCHMIDT/AFP/Getty Images
A man approaches the wreckage at the camp on April 25.
A man approaches the wreckage at the camp on April 25.
Azim Afif via AP
Rescuers carry a Sherpa injured by the avalanche on April 25.
Rescuers carry a Sherpa injured by the avalanche on April 25.
ROBERTO SCHMIDT/AFP/Getty Images
Banja, a porter working for a trekking company, breathes from a mask as he recovers after being injured by the avalanche on April 25.
Banja, a porter working for a trekking company, breathes from a mask as he recovers after being injured by the avalanche on April 25.
ROBERTO SCHMIDT/AFP/Getty Images
Everest base camp is seen on April 25 after the avalanche.
Everest base camp is seen on April 25 after the avalanche.
Azim Afif /AP
A wide view of the destruction at the camp is seen on April 25 after the quake.
A wide view of the destruction at the camp is seen on April 25 after the quake.
Azim Afif via AP
People sort through wreckage near Everest base camp on April 25.
People sort through wreckage near Everest base camp on April 25.
Azim Afif/AP
Everest base camp is seen on April 25 after the avalanche.
Everest base camp is seen on April 25 after the avalanche.
Azim Afif via AP