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Andalucia.com: The Mosque of Cordoba
This is a Spanish tourism page with quite a bit of information on the Mosque of Cordoba, one of their most famous sights. It also includes information on the time of Muslim rule when the Mosque was built.
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Saudi Aramco World: The Art & Science of Water
The Mezquita ingenuity of a cistern that collects water for trapping, storing and managing that evanescent, life-giving commodity, water.