Coed yw thema John Hardy ar yr ymweliad hwn ag archif Radio Cymru. John Hardy focuses on trees on this visit to the Radio Cymru archive. Show more
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Coed yw thema John Hardy ar yr ymweliad hwn ag archif Radio Cymru. John Hardy focuses on trees on this visit to the Radio Cymru archive. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
