Jonathan Davies, y cyn chwaraewr rygbi, yn dathlu hanner cant drwy reidio beic o Yosemite i San Francisco. Jonathan Davies celebrates rides a bike from Yosemite to San Francisco.
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Jonathan Davies, y cyn chwaraewr rygbi, yn dathlu hanner cant drwy reidio beic o Yosemite i San Francisco. Jonathan Davies celebrates rides a bike from Yosemite to San Francisco.
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
