Introduction to Piazza del Miracles: Piazza del Miracles is located in the north of Pisa. In the middle of the square is a large lawn, dotted with cathedrals (built from 1063 to 13th century) and baptisteries (built from 1153 to 14th century). century), the bell tower (the Leaning Tower of Pisa) and the cemetery (built in 1174) and other religious buildings. Each building is relatively independent. The outer walls are all made of milky white marble. They are relatively independent but form a unified Romanesque architectural style. , forming visual continuity.