Behind The First Summit of The World's Tallest Mountain (Full Episode) | Lost on Everest
National GeographicLOST ON EVEREST shines a light on what happened to Andrew “Sandy” Irvine and George Leigh Mallory, who set out to attempt the first true summit of Mount Everest in 1924. A team of professional climbers, filmmakers and experts led by journalist Mark Synnott and Nat Geo Photographer Renan Ozturk attem