Ifor ap Glyn ar daith o gwmpas ardaloedd chwarelyddol Gwynedd, i ddathlu'r dreftadaeth ddiwydiannol a diwylliannol. Ifor ap Glyn visits some of the quarring areas of Gwynedd.
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Ifor ap Glyn ar daith o gwmpas ardaloedd chwarelyddol Gwynedd, i ddathlu'r dreftadaeth ddiwydiannol a diwylliannol. Ifor ap Glyn visits some of the quarring areas of Gwynedd.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
