Beth ydi hanes Pont Britannia? Mae Aled yn mynd ar grwydr gyda Gari Wyn. Aled asks Gari Wyn about the history of Britannia Bridge. Show more
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Beth ydi hanes Pont Britannia? Mae Aled yn mynd ar grwydr gyda Gari Wyn. Aled asks Gari Wyn about the history of Britannia Bridge. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
