Esbonio'r rhesymau tu ôl i'r tywydd anarferol o boeth yn y Pegynau. A discussion of the reasons behind the unusually hot weather in both the North and South Pole. Show more
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Esbonio'r rhesymau tu ôl i'r tywydd anarferol o boeth yn y Pegynau. A discussion of the reasons behind the unusually hot weather in both the North and South Pole. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
