The Aberfan Disaster: Catastrophic Coal Tip Collapse that Killed 144 People in Wales, 1966
#57 The Aberfan disaster was a catastrophic collapse of a colliery spoil tip in the Welsh village of Aberfan, near Merthyr Tydfil, caused by a build-up of water in the accumulated rock and shale, which suddenly started to slide downhill and engulfed the Pantglas Junior School, 1966.
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