Back in the year 1174, an Italian architect by the name of Bonnano Pisano began work on what would become his most famous project: a bell tower to beautify the Cathedral of the city of Pisa. The tower was to be a cylindrical, eight-story, 185-foot-tall building with arcaded stories, a fine example of Tuscan Romanesque architecture. There was just one "little" problem. During construction, the builders discovered that the soil around the Pisa Cathedral was much softer than they had anticipated. The foundation Pisano had designed for the bui…