Trafod nofio Llyn Padarn, Alfred Russel Wallace, Cymraeg cyfrifiadurol a chaws Caerffili. Lake swimming, Alfred Russel Wallace, computerized Welsh and Caerphilly Cheese.
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Trafod nofio Llyn Padarn, Alfred Russel Wallace, Cymraeg cyfrifiadurol a chaws Caerffili. Lake swimming, Alfred Russel Wallace, computerized Welsh and Caerphilly Cheese.