The town of Pisa is located in the Tuskany region on the western coast of Italy. From the 11th to the 13th centuries Pisa was the commercial empire of southern Italy, expanding Italy's power over the islands of Corsica, Sicily, and Sardinia and controlling most of the Tuscan coast. During this time and subsequent centuries, Pisa built up its power and economic fortitude, and its wealth allowed for the construction of the gleaming white marble complex of religious buildings known as the Campo dei Miracoli, the Field of Miracles. …