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Arab-Norman Palermo and the Cathedral Churches of Cefalú and Monreale is a series of nine religious and civic structures located on the northern coast of Sicily dating from the era of the Norman Kingdom of Sicily (1130-1194): two palaces, three churches, a cathedral, a bridge are in Palermo, as well as the cathedrals of Cefalú and Monreale.

• http://en.wikipedia.org/wiki/Arab-Norman Palermo and the Cathedral Churches of Cefalù and Monreale