OSM tag name=Llechwedd Slate Caverns matches Llechwedd Slate Caverns in these Wikidata fields:
Mining museums in Gwynedd | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |
Museums in Gwynedd | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |
Open-air museums in Wales | building=museum, tourism=attraction, tourism=gallery, tourism=museum, historic=museum |
Slate mines in Gwynedd | landuse=quarry, gnis:feature_type=Mine, industrial=mine, man_made=mine, man_made=mineshaft |