![]() ![]() Today, the mountain is becoming both less difficult and more treacherous to climb. (Image credit: Photo by George Band/Royal Geographical Society via Getty Image) (opens in new tab) Tenzing Norgay and Edmund Hillary drink tea in the Western Cwm - a glacial valley basin at the foot of Mount Everest's Lhotse Face - after their successful ascent on May 30, 1953. ![]() Two days later, the second pair - New Zealand mountaineer Edmund Hillary and Norgay - reached the summit, took some pictures and left some sweets and a cross, Wylie reported in 1954. The first pair - Tom Bourdillon and Charles Evans - came within 300 feet (91 m) of the summit but had to turn back due to oxygen problems. Hunt selected two climbing pairs to attempt to reach the summit, Charles Wylie, a British Army lieutenant colonel and the organizing secretary to the expedition, wrote in The Himalayan Journal (opens in new tab). In 1953, a British expedition led by John Hunt returned to Nepal. Tenzing Norgay, a member of this expedition and a Nepalese Sherpa, took part in the British expedition the following year. In 1952, members of a Swiss expedition led by Edouard Wyss-Dunant reached a height of about 28,199 feet (8,595 m) on the southeast ridge, setting a new climbing altitude record, according to the Swiss Foundations for Alpine Research (opens in new tab). This spurred English explorer Bill Tilman and a small party that included Americans Charles Houston, Oscar Houston and Betsy Cowles to approach Everest through Nepal along the route that has developed into the standard approach to Everest from the south, researchers reported in 1992 in The Geographical Journal (opens in new tab). Spy satellite images uncover staggering Mount Everest ice lossĮarly expeditions in the 1920s and 1930s attempted to make the ascent from the Tibetan side, but access was closed after Tibet officially came under Chinese control in 1951. Air pressure makes Mount Everest 'shrink' by thousands of feet, new study finds Mount Everest's highest glacier lost 2,000 years' worth of ice since the 1990s ![]()
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