Climber Sandy Irvine’s remains found on Mount Everest after 100 years

A National Geographic team discovers a preserved boot with Andrew Irvine's name on it, providing significant evidence in solving the nearly 100-year-old mystery of Irvine and Mallory's ill-fated 1924 Everest expedition. This may offer closure to Irvine's family and new insights into early Everest exploration.