"third British Mount Everest expedition" . "Mallory and Irvine Mount Everest expedition" . "near to the summit of Mount Everest" . "third" . . "reached Everest's summit in 1924" . . "that year's Everest expedition" . "disappeared on Everest" . . "1924" . "1924 British Mount Everest expedition" . "George Mallory's ill-fated expedition to Mount Everest in 1924" . "1924 Everest expedition" . "1924 Everest attempt" . "expedition of 1924" . . "1924 British Mountaineering Expedition" . "British Mount Everest, 1924" . "1924 British Mount Everest Expedition" . "1924 British Mount Everest expedition" . "1924 British Everest Expedition" . "1924 British" . "the British expedition" . . . . "climb the highest mountain" . . "their attempt of 8\u20139 June 1924" . "climb Mount Everest" . "1924 expedition" .