A group of visitors outside the shop and information centre of the Centre for Alternative Technology, Machynlleth

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Size: 5616px × 3744px
Location: Llwyngwern Quarry, Pantperthog, Machynlleth, Powys, Wales, UK
Photo credit: © Sheila Halsall / Alamy / Afripics
License: Licensed
Model Released: No

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