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Photo: Diego Delso, CC BY-SA 4.0 via Wikimedia Commons
This was originally a fortified church, built by Alfonso X of Castile around 1264. It was built over a demolished mosque after the city was recaptured from the Moors, just to rub salt in the wound. The walls, towers and battlements were renovated in the 20th century.
Castle of San Marcos is a medieval castle located in El Puerto de Santa María, Cádiz, Spain.
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