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Syched a Sychu
Tywod! Môr! Mwydod! Mae Porthoer wedi'i orchuddio â mwydod. O ble ddaethon nhw? Sand! Sea! Worms! Porthoer is covered in wriggling worms. Where did they come from?
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Yfory07:25
Tywod! Môr! Mwydod! Mae Porthoer wedi'i orchuddio â mwydod. O ble ddaethon nhw? Sand! Sea! Worms! Porthoer is covered in wriggling worms. Where did they come from?
