PISA
In the Piazza dei Maracoli, there are 4 of the most important historical monuments of the town .
The symbol of the town and of italian architecture  is one of the well  -  known monument :
TORRE PENDENTE.  Building  started 1173  and  was finished in the year 1350 by Tommas Pisa. 
Il Duomo built 1064 - 1118 .
Battistero built during 1152 - 1260.
Campo Santo built 1271.