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Episode details

Radio Cymru,8 mins

Darganfod Twnnel Canoloesol yn Sir Fynwy

Aled Hughes

Available for over a year

Ioan Lord, hanesydd ac un sydd a diddordeb mawr mewn twneli a mwyngloddau yng Nghymru sy’n ymuno a Aled i roi hanes y twnel yma a thwneli canoloesol eraill yng Nghymru.

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