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    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    In tunnels 18m below surface (with camera flash) with sign stating deepest Bronze Age Tunnels 46m belowFurther Information
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    NPRNTeitlMath O SafleCasgliadauDelweddau
    NPRN33779TeitlGreat Orme Copper Mine; Ty Gwyn Copper MineMath O SafleMWYNGLAWDD COPRCasgliadau133Delweddau64