Alun Thomas sy'n cymryd golwg ar rai o brif straeon newyddion 2017 adre a thu hwnt. Alun Thomas and a roundup of the year's main news stories.
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Alun Thomas sy'n cymryd golwg ar rai o brif straeon newyddion 2017 adre a thu hwnt. Alun Thomas and a roundup of the year's main news stories.