Torre pendente di Pisa Italia

Torre pendente di Pisa or so-called La Torre di Pisa is a bell tower of a cathedral in Pisa, Italy. The tower is located behind the cathedral and is the third structure in Pisa Campo dei Miracoli.

The tower was actually built vertically. However, in 1173, in do renovations and then the tower tilts to the southeast because the foundation is less than perfect. Construction of this tower is built in 3 stages that took almost 200 years.
Specifications of this tower is tall of the tower is 55.86 meters from the ground on the lowest side and 56.70 meters on the highest side. The width of the base building is 4.09 meters and width of the top 2.48 meters. Weight tower is estimated to 14.500 tons and has 294 steps.
The tower was first italics after the third floor was built in the year 1178, due to amblasnya foundations as deep as three meters, due to ground movement. This means that the design of the tower has been disabled since at first.
Construction has been suspended for nearly a century old, because the citizens of Pisa almost engaged war with Genoa, Lucca and Florence. During this rest period, the underlying soil structure have stabilized. And in 1198, temporarily installed at the building was still unfinished.
In 1272, construction was resumed by Giovanni di Simone, architect of Camposanto. The fourth floor was built to compensate for the slope of this tower. The rebuilding was stopped in the year 1284, when Pisa was conquered by the Genoese in the Battle Meloria.