This does not, however, interfere with the truth that sculpture, like all the arts, assumed a somewhat different character in each Italian city. The Venetian stone-carvers leaned from the first to a richer and more passionate style than the Florentine, reproducing the types of Cima's and Bellini's paintings.[111] Whole families, like the Bregni--classes, like the Lombardi--schools, like that of Alessandro Leopardi, worked together on the monumental sculpture of S. Zanipolo. In the tombs of the Doges the old Pisan motive of the curtains (first used by Arnolfo di Cambio at Orvieto, and afterwards with grand effect by Giovanni Pisano at Perugia) is expanded into a sumptuous tent-canopy. Pages and genii and mailed heroes take the place of angels, and the marine details of Roman reliefs are copied in the subordinate decoration. At Verona the mediaeval tombs of the Scaligers, with their vast chest-like sarcophagi and mounted warriors, exhibit features markedly different from the monuments of Tuscany; while the mixture of fresco with sculpture, in monuments like that of the Cavalli in S. Anastasia, and in many altar-pieces, is at variance with Florentine usage. On the terra-cotta mouldings, so frequent in Lombard cities, I have already had occasion to touch briefly. They almost invariably display a feeling for beauty more sensuous, with less of scientific purpose in their naturalism, than is common in the Tuscan style. Guido Mazzoni of Modena, called Il Modanino, may be mentioned as the sculptor who freed terra-cotta from its dependence upon architecture, and who modelled groups of overpowering dramatic realism. His "Pietà," in the Church of Monte Oliveto at Naples, is valuable, less for its passionate intensity of expression than for the portraits of Pontano, Sannazzaro, and Alfonso of Aragon.[112] This sub-species of sculpture was freely employed in North Italy to stimulate devotion, and to impress the people with lively pictures of the Passion. The Sacro Monte at Varallo, for example, is covered with a multitude of chapels, each one of which presents some chapter of Bible history dramatically rendered by life-size groups of terra-cotta figures. Some of these were designed by eminent painters, and executed by clever modellers in clay. Even now they are scarcely less stirring to the mind of a devout spectator than the scenes of a mediaeval Mystery may have been.