Ioan Lord yr hanesydd diwydiannol yn sgwrsio am apêl a pheryglon mynd i ogofau. Ioan Lord discusses the appeal, and the dangers of caving. Show more
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Ioan Lord yr hanesydd diwydiannol yn sgwrsio am apêl a pheryglon mynd i ogofau. Ioan Lord discusses the appeal, and the dangers of caving. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
