Britain's Prince Charles, Prince of Wales (R) speaks with Aberfan disaster survivors Gaynor Madgwick (L) and Gerald Kirwan (C) during a visit to mark the 50th Anniversary of the Aberfan disaster, at the Aberfan and Merthyr Vale community centre, Aberfan, South Wales on October 21, 2016.  
144 people were killed On October 21 1966 when the coal tips from Merthyr Vale Colliery slipped down a mountain side and buried Pantglas School, twenty houses and a farm in the village of Aberfan. Of the 144 people killed, 116 were children, most of them between the ages of seven and ten.  / AFP / POOL / REBECCA NADEN        (Photo credit should read REBECCA NADEN/AFP/Getty Images)