Hanner awr yng nghwmni Gwyn Richards, Pennaeth Adran Gynllunio Corfforaeth Dinas Llundain. Half an hour with Gwyn Richards, Head of Design at the City of London Corporation. Show more
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Hanner awr yng nghwmni Gwyn Richards, Pennaeth Adran Gynllunio Corfforaeth Dinas Llundain. Half an hour with Gwyn Richards, Head of Design at the City of London Corporation. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
