Gerallt Pennant a'i westeion ar ymweliad â Phwll Deri a'r Garn Fawr yn Sir Benfro. Gerallt Pennant and guests visit Pwll Deri and Garn Fawr in Pembrokeshire. Show more
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Gerallt Pennant a'i westeion ar ymweliad â Phwll Deri a'r Garn Fawr yn Sir Benfro. Gerallt Pennant and guests visit Pwll Deri and Garn Fawr in Pembrokeshire. Show more