This 2014 episode covers the incident in 1959, in which nine students ventured into the Ural mountains for a ski hiking trip, and never returned. While much speculation has swirled for more than half a century, no one knows for certain what caused them to abandon their camp to die in the cold. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.