US here, but I knew of the tragedy. That means there are still residents in their 50's and 60's who lost siblings and friends.
One of my lecturers at uni was one of the survivors,
There have been so many programmes on Welsh TV lately relating to it, all of which have been fascinating and I've sobbed my way through most of them - if anyone is interested I'd suggest watching them - I think they are on BBC4 soon in the rest of the UK
The Young Wives Club of Aberfan - tells the mothers story and how they coped but you see them talking of their children and their regrets - one little girl wanted to wear her new shoes to school, but her mam told her to wait till tomorrow, but she didn't have a tomorrow - that sort of thing
Aberfan A fight for Justice - shows just how avoidable it was, how there had been the fear brought up for years and how badly treated they were by the authroities afterwards. A similar sized slip happened where I live in 1939, but it didn't cover the village - it fell across the road, canal and river, there were meant to have been changes since then
Aberfan The Green Hollow was on last night