Neath Port Talbot Council have now cleared the site of a landslide in Ystalyfera and have started to work to restore the site to how it was before.
A spokesperson for the council said that so far this week they have spent time preparing the site, pulling out tree trunks and clearing the debris.
The landslide in the Swansea Valley happened in December and resulted in 13 families being forced to leave their homes.
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Philip Thomas was a 10-year-old pupil at Pantglas Junior School in Aberfan when a coal tip collapsed and slid downhill.
ITV News speaks to Jeff Edwards - who was eight years old when he became the last survivor to be pulled from the rubble.
Until 21st October 1966, Aberfan was a place that most of the world had never heard of.