Unfortunately, nearly immediately after construction was completed on the dam, cracks were noticed at the base and a few weeks later, the dam suddenly swung open and released a 50 meter high wall of water that killed 421 people.
Unfortunately, nearly immediately after construction was completed on the dam, cracks were noticed at the base. A few years later, on December 2,1952, the dam abruptly swung open and released a 50 meter high wall of water that reached the nearby town of Frejus, killing an estimated 421 people.