This tour includes entirely tour number 1 plus a visit to the historical town of Pisa On your return from Florence ,you will be able to visit the square Campo dei Miracoli: in this square Pisa's 3 stunning monuments are located: The Duomo, the Baptistery, and the leaning tower, which is one of the most photographed landmarks in Italy.
Pisa was once a famous sea-trading republic and an archrival of nearby Genoa.

Infact the Cathedral was begun in 1063 to commemorate the Pisan's victory over the Saracens in Sicily that year.

The leaning tower was originally designed as a bell to the Cathedral. It was begun in 1174 and finally finished in 1350.
Unless modern engineering can halt it's tilt it is leaning 16 feet out of it's perpendicular experts speculate that the structure will collapse in the next 2 centuries.