For more information on the project and to follow the story, visit https://cadw.gov.wales/visit/places-to-visit/caerphilly-castle.
Am fwy o wybodaeth ac i archebu ymweliad â Chastell Caernarfon, ewch i https://cadw.llyw.cymru/ymweld/lleoedd-i-ymweld/castell-caernarfon?