To peer inside workers’ cottages, go to another of our sites in the south Wales Valleys: the pioneering Blaenafon Ironworks.
I gael cipolwg y tu mewn i fythynnod gweithwyr, ewch i un arall o’n safleoedd yng nghymoedd De Cymru: Gwaith Haearn arloesol Blaenafon.