NEPAL Mount Everest -- The summit of the world's highest mountain, Mount Everest, which towers 8848 metres above sea level in the Khumbu Himal of Nepal. It was first summited by Tenzing Norgay and Sir Edmund Hillary on the 29 May 1953. In ther foreground is the Ngozumpa Glacier - one of the largest in the Khumbu Himal -- Picture by Jon Mitchell / Lightroom Photos / Topfoto