Strolling through the southern Spanish city of Sevilla on a sunny early spring day, the sweet smells of orange blossoms ...

Mr. Civantos, a stocky man with a goatee, said the Moors had built at least 15,000 miles of acequias across the Andalusian provinces of Granada and Almeria, in what was then Al-Andalus.

Its interior decorations are credited to Ysuf I, who died 1354). But, after the expulsion of the Moors, a lot of the building's interior was damaged, and the furniture was either destroyed or removed.