A PERIOD OF A GREAT POLITICAL TRANSFORMATION (FROM THE THIRTEENTH TO THE FIFTEENTH CENTURY)
.This period is characterized by frequent alternations to the heads of the power. Initially the power was tripartite between monks, bishops and lordships, who often struggled against each other for the supremacy; beginning from the thirteenth century the control passed to the orders of the Templars and the Humbled, who yielded a greater economic-commercial activity.
A later stage sees the overcoming of the Pope authority and the emperor and the end of the economic management by the previous religious authorities.
As from the fifteenth century emerged a petty nobility of commercial origin, which acquired more and more economic importance and finally it replaced the great aristocratic families.
The interior of a portico is ideally transformed into a grotto: leaned at one side, the bright installation of tubes in plexiglass, metaphorical stalactites and stalagmites, remembers the constant motion of waterfall (and it symbolically connects the suspended pipe to the filled in one of the Vaso Ré [the Rè Duct]). The vault, made up of slabs of engraved cor-ten steel, on the one hand evokes the vault of heaven, while on the other one it portrayes decorated scenes of peasants at work, reminder of everyday life opposite to the incessant struggles for power.