At 9:15 on 21 Oct 1966, a school morning was shattered when a coal tip above Aberfan collapsed.
Sixty years on, the tragedy remains woven into the nation's collective memory, a day of unimaginable loss that reshaped a community and changed attitudes to industrial safety across Britain.
BBC News60 years on: The Aberfan disaster through the eyes of those who survivedIt is 60 years since one of Wales' darkest days, when a mining community changed forever.