Main content
Yr Ymchwiliad
Dros hanner canrif ymlaen, Huw Edwards sy'n adrodd hanes rhyfeddol yr ymchwiliad swyddogol. Over 50 years since the Aberfan disaster, Huw Edwards charts the story of the official inquiry.
Darllediad diwethaf
Iau 21 Hyd 2021
23:25