The Tower of Pisa was beginning construction on 9 August 1173. five years later, when construction of the third floor to the Tower of Pisa begins to tilt. There are many reasons for this building, in which the cause is mainly due to the city of Pisa in conflict with neighboring friend Florence, together with the difficulty of building the Tower on the terrain of land subsidence.Many measures are in place to keep the heavy blocks of 14,500 tons of this stand on unstable ground, such as using stone shape, create the curvature for the Tower, built on one side is higher than the other side. Pisa during the time that meet not less the rumors as it would be dangerous, the leaning tower of useless ... Beyond all, Pisa stands high, 55, 86 m with 8 floors and 294 ladder from the ground to the top. The Tower of Pisa is now being recorded is inclined 5.5 degrees. Guests on a sightseeing tower to go in small groups to avoid causing damage to the leaning tower of Pisa.
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