How It Works

DISASTER CLEANUP

Britain’s worst mining disaster

ig disasters don’t often happen in the UK, and that made the Aberfan colliery slip even more shocking. The Welsh village of Aberfan grew up around a nearby coal mine, which was established back in 1869. By 1966 the settlement had grown, hosting a population of around 5,000, and the village was surrounded by seven huge spoil piles – waste material from mining. That’s not necessarily a problem, but in October 1966 the village was hit by more than 17 centimetres of rainfall, and that caused the seventh spoil pile to subside. At 09:15 on 21

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