Slag heap from waste slate in Snowdonia, North Wales.

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Photo credit: © © chrisstockphotography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: electric, gwynydd, heap, heaps, images, industry, llanberis, mountain, mountains, mountainside, national, north, park, quarries, quarry, quarrying, slag, slate, slates, snowdonia, spoil, wales, waste, welsh