O Gapel Celyn i Bortmeirion, pentrefi sy'n cael sylw John Hardy wrth dwrio drwy archif Radio Cymru. A visit to the Radio Cymru archive with John Hardy. Show more
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O Gapel Celyn i Bortmeirion, pentrefi sy'n cael sylw John Hardy wrth dwrio drwy archif Radio Cymru. A visit to the Radio Cymru archive with John Hardy. Show more