The Backstory (Replay): The unexplained blast that shook the world - Elvis Duran and the Morning Show ON DEMAND

In this replay episode: On a beautiful summer morning in 1908, a massive explosion hit Siberia. It downed 80 million trees and lit the night sky 3,000 miles away in Sweden. But to this day, no one knows what caused it.

See omnystudio.com/listener for privacy information.