Mountaineers Andrew Irvine (L) and George Mallory (R) who died on Mt. Everest in an attempt to reach its summit in 1924. Their bodies were finally found in 1999.

Mountaineers Andrew Irvine (L) and George Mallory (R) who died on Mt. Everest in an attempt to reach its summit in 1924. Their bodies were finally found in 1999.