Esbonio'r rhesymau tu ôl i'r tywydd anarferol o boeth yn y Pegynau. A discussion of the reasons behind the unusually hot weather in both the North and South Pole. Show more
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Esbonio'r rhesymau tu ôl i'r tywydd anarferol o boeth yn y Pegynau. A discussion of the reasons behind the unusually hot weather in both the North and South Pole. Show more