Dewch i wrando ar stori am amgueddfa arbennig iawn, y Mamgu-eddfa! A story for young listeners.
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Dewch i wrando ar stori am amgueddfa arbennig iawn, y Mamgu-eddfa! A story for young listeners.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
