Y dyfarnwr rygbi Nigel Owens sy'n trafod pŵer y cyfryngau cymdeithasol mewn chwaraeon. Rugby union referee Nigel Owens discusses the power of social media in sport. Show more
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Y dyfarnwr rygbi Nigel Owens sy'n trafod pŵer y cyfryngau cymdeithasol mewn chwaraeon. Rugby union referee Nigel Owens discusses the power of social media in sport. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
