Regular marks discovered on a temporary exposure of rock near Llyn y Parc lake in Gwydyr Forest. The marks could be natural stress marks in the rock (tuff) or inscribed. Any ideas what they might be?
No EXIF information is available
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Keywords:archaeology, betws-y-coed, carvings, conwy, cymru, geology, graffiti, gwydyr, insciptions, llanrwst, markings, wales
