Join Everest climber Pete Athans in search of the caves and mummies of a lost civilization.

Everest climber and thrill seeker Pete Athans returns to the Himalayas with Dr. Mark Aldenderfer in search of the caves and mummies of a lost civilization. There they risk their own safety to reveal astonishing evidence of a previously unknown 1,500-year-old death ritual high in the Himalayan caves.