Famous for its monuments, unique historical center preserving structures of various ancient epochs and especially for the sixteenth-century Walls, Lucca is an Art City. Officially of Roman origins, Lucca, a town of merchants and weavers, maintained its autonomy until 1799. Its wall (XV-XVII century), which describes a perimeter of 4,223 m around historic core of the city, makes one of the 4 capitals of Italian province (together with Ferrara, Grosseto and Bergamo) to have the walls intact. Even monumental historic center of the city has remained virtually unchanged in its original appearance, like many Medieval churches that are worth in Lucca the appelative of "City of 100 Churches". Numerous also the towers and bell towers, as well as monumental and Renaissance palaces. Among the most famous urban spaces: Piazza dell'Anfiteatro, built on the ruins of ancient Roman Amphitheater, Via Fillungo, which brings together the shops of the city; Piazza San Michele and Piazza San Martino, where homonymous Duomo stands. Among the most attended events, now famous "Lucca Comics & Games", international cartoon fair.