Weekly Photo Challenge: Window

Dinorwig Slate Quarry was the second largest slate quarry in Wales, indeed in the world, after the neighbouring Penrhyn Quarry. It covered more than 700 acres (2.8 km2) consisting of two main quarry sections. At its peak in the late 19th century, "when it was producing an annual outcome of 100,000 tonnes", Dinorwig employed over... Continue Reading →

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