In the rugged hills of north western Spain, amid green forests of chestnut and oak, rises an otherworldly landscape of jagged red cliffs, hollowed hills, and labyrinthine cavities. This surreal terrain called Las Médulas is not the work of natural erosion but the result of a complex hydraulic engineering works used by the Romans to extract gold from the bowels of the mountain.

Credit: Udri
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Las Médulas: The Wrecking of Mountains
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