The Mount Everest Reconnaissance Expedition
1921 plan to make the first-ever British Mount Everest expedition trip to the world’s tallest peak due to the Great Trigonometric Survey in 1856. Until then, Kangchenjunga was widely recognized as the tallest peak in the world. The study helped people realize that the tallest mountain was an unknown peak, approximately 29,002 feet high. Mountaineering was…