In the first centuries the Christianity refuses the use of the images in order to represent God, but as a result of the encounter with the culture hellenistic-Roman is begun to use symbols. The basilicas of this period (paleocristiane) have a longitudinal shape, to semicross. The absence of space to their inner door to the two-dimensionality of the figures. Later on there was the age of gold: in this period (IV - YOU sec.) the art bizantina catches up its maximum splendor under Giustiniano and Teodora. They come constructed to the churches of Vital S. (Construction dedicated to Vital S., begun from subsidized Ecclesio and from the Giuliano. The church is constituted from mattoni at sight of type bizantino. The building is to plant centers them: an octagon registered in an other octagon. The cupola is supported from 8 pillars. The advanced part of the presbiterio and the apse is completely classified to the mosaics) and of S. Apollinare Nuovo (church much ancient one, dedicated to the Madonna and as a result of S. Apollinare. In it much light is present and the mosaics have colors greens, blueta): these buildings are empty and have an luminous, rich inside of colors and much precious one. The shape of these churches is circular or octagonal and is constructed with tile. The mosaics that cover the churches have always golden background, and are constituted from bidimensional, flat, separated, smaterializzate figures, with one perspective hierarchical. The represented images are figurative and not somigliano to the truth. It lacks the relationship between truth and temporal space.
In the Middle age
The medieval city has one stellar or rung structure. In it new buildings regarding the previous historical ages rose. First of all the cathedral, erected for will of the citizens who wished a place of protection from the insidie. For this nacquero the first corporations of artists who had the scope to guarantee the quality of the product. The yards were a lot organize to you and were composed from local maestranze specialized (carpenters, scalpellini etc.) supervised from an architect. Given to the increase of the nacquero religiosità many churches, which had a plant to cross and one facade or salienti or hut. At the head of the religious power the bishops rose count. As far as the Piacentini buildings they were constructed with I use it of cooked (lateritious) for its easy reperibilità and the low cost. The tile moreover, with to the sandstone, was a perusal material that is these stones were captured from buildings in disuse to the age. In our zone the sandstone and the mark were present (that it arrived from Verona). To Piacenza the more powerful getlteman were Scotti and the Landi. In the medieval city the city was uniform in zones where they were exercises various trades to you: as an example to Piacenza in P.za Village there were the bakers, in via XX sett. The goldsmiths, in V. Inhabitants of Romagna the tintori and the way of know passed them from P.za Village to V. Garibaldi. Moreover, always to Piacenza like in the rest of Europe, the monasteri and several the monastici movements rose. The more powerful orders were the Franciscans (Via XX. Sett, P.za Horses to Piacenza) and i Dominican (V. Beverora to Piacenza). The medieval cities in general terms were enclosed between wall them for the defense, inside were uniforms in fields, the ways were generally tight and tortuose and were costeggiate from high towers that acted as from houses fortress. The great buildings were absent publics and the center of the city life was the cathedral. As far as the roman cities, their adopted urbanistico outline is characterized from the orthogonal encounter of the roads, thistles (from north to south) and decumen (from east to the west), that they subdivide the city in isolates to you quadrangular.