Disasters, Dams, pic: 11th October 1963, Longarone, northern Italy, Rescuers search the rubble in the village below the Vajont (Vaiont) Dam in Northern Italy, On 9th October 1963, after heavy rain, giant landslides fell into the resevoir, which caused a tidal wave of water to flow over the dam, and engulf the villages below, where some 2000 people died  (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)