John Roberts sy'n ein tywys ar daith archeolegol yn Eryri. John Roberts will be taking us on an archaeology tour in the Snowdonia National Park Show more
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John Roberts sy'n ein tywys ar daith archeolegol yn Eryri. John Roberts will be taking us on an archaeology tour in the Snowdonia National Park Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
