Glacier retreat due to global warming is revealing bodies lost many years ago in mountains all over the world. Everest is not unique in that respect.
http://www.livescience.com/31996-mount-everest-glaciers-melting.html
http://www.smithsonianmag.com/smart-news/glaciers-retreat-they-give-mummies-and-artifacts-they-swallowed-180955399/?no-ist
http://motherboard.vice.com/blog/global-warming-is-thawed-out-the-frozen-corpses-of-a-forgotten-wwi-battle
http://news.nationalgeographic.com/news/2013/05/130516-everest-shrinking-ice-glaciers-science-global-warming/