Dewch i brocio'r cof yng nghwmni John Hardy, wrth i ni edrych ar adeiladau. John Hardy heads back to the bygone years. Show more
Discover 11,128,835 listings and 280,408 playable programmes from the BBC
Dewch i brocio'r cof yng nghwmni John Hardy, wrth i ni edrych ar adeiladau. John Hardy heads back to the bygone years. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
