Mile Castle 39, Hadrian's Wall, with Crag Lough beyond, Northumberland, England, UK.

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A classic outcropping of Whin Cill Dolerite, also known as Whinstone, and used as a road stone because of its toughness.

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Size: 3709px × 4700px
Location: Hadrian's Wall, with Crag Lough beyond, Northumberland, England, UK.
Photo credit: © Leslie Garland / LGPL / Alamy / Afripics
License: Licensed
Model Released: No

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