Walking round the city you can notice architeture like this,this is the old city doors when the city was rounded by walls.This is the old
PORTA NUOVA (new gate) from 12 century.Is one of the three medieval gates that still exist in the modern city together with
PORTA TICINESE and
POSTERN OF SAINT AMBROSE.The three doors was along the ancient canals rings on the perimeter of the walls of the city.
