Sharon Morgan ac Eiry Thomas sy'n ymuno â Shân Cothi i drafod Aberfan: The Green Hollow. Sharon Morgan and Eiry Thomas join Shân Cothi to preview Aberfan: The Green Hollow. Show more
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Sharon Morgan ac Eiry Thomas sy'n ymuno â Shân Cothi i drafod Aberfan: The Green Hollow. Sharon Morgan and Eiry Thomas join Shân Cothi to preview Aberfan: The Green Hollow. Show more