Shortly before 11.30am on 29 May 1953, with “a few more whacks of the ice-axe”, Edmund Hillary and Tenzing Norgay reached the summit of Mount Everest. Their time at the top was brief - just 15 minutes - but well recorded. Hilary wrote that: “There was no disguising [Tenzing’s] infectious grin of pure delight.” The New Zealander did, though, omit one detail from his original account - that, having summited the world’s highest mountain, soaring to 8,849 metres, he’d had “no choice but to urinate on it”. It’s an odd detail to mention but, as the story of their triumph shows, an important one.
In the seven decades since 1953, more than 6,000 people from many nations have stood on Everest’s summit. At that time, though, it was seen as…