Frozen in time in Everest's death zone: Mission to bring home 'Green Boots' climber who was left to die near summit decades ago - then became a macabre landmark

A mission is underway to retrieve the remains of a climber known as 'Green Boots,' who was left to die near Everest's summit decades ago and has since become a macabre landmark. The effort focuses on removing the body from Everest's 'death zone,' an area known for extreme conditions.