Now this looks fit. #festiniog

A colour postcard of a section of the cavern lit by green, orange and yellow light. A stream runs through and the rocks and lights are reflected in the water. On the footpath visitors stand, all wearing blue hard hats and possibly shivering a little!

Slate Mines, Llechwedd Quarry
A #postcard of the amazing #slate #mines at Llechwedd quarry at #Blaenau #Festiniog, #Wales, lit in a dramatic way for visitors. Definitely #underground!
Postcard by Judges, c1970
#AlphabetChallenge #WeekUforUnderground #vintagepostcard #postcards