One of the Worst Man-Made Disasters in History

Residents of the valley of Vajont in Italy had reservations about a new hydroelectric dam--especially when cracks began to appear in the nearby mountain. Their worst fears were soon to be confirmed. Watch the Full Episode with your FREE trial for Smithsonian Channel Plus by signing up today at https://watch.smithsonianchannel.com/ From the Series: Make It Out Alive: Dam Disaster http://bit.ly/2A13Q2r