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Dinorwig Power Station, photograph
Photograph looking down at Llyn Peris and work being carried out at Dinorwig Power Station. Dinorwig Power Station was built on the site of the former Dinorwig slate quarry. The photograph shows how the quarry landscape changed to become a hydro electric power station. The photograph show the ‘Ceiliog Mawr’ - an igneous intrusion within the quarry. Several attempts were made to remove the intrusion but a considerable section of it remains.