This story contains upsetting details that some may find distressing Even after 60 years, Mair Morgan can still remember the face of the little girl with "beautiful black curly hair" whose body she had to identify. In the wake of the Aberfan disaster - when a colliery spoil tip collapsed, slid down a mountain and engulfed the village's primary school and surrounding houses - teachers were asked to confirm the names of the dead children before they were cleaned up and their parents told. Now, ahead of the 60th anniversary of a disaster that killed 116 children and 28 adults and left a lasting scar in Wales, the last surviving teacher has spoken about how the tragedy remains etched into her memory. "I don't like the month of October at all, because that's what brings it back," said Mair. Now 84, Mair is one of the few surviving adults who witnessed the horrors of 21 October 1966. She had worked at Pantglas Junior School for a year when the disaster happened.…