Begin to build once the August 9 (1914), 1173. Finished the year 1350, approximately 175 years, but take your time to stop construction when building up to the 3rd floor, because the ground is soft ground, underground, making a subsequent collapse was founded in 1272 by Giovanni di Simone created elements to one side so that the balance, but the construction was to be stopped again because of the war. Later, he had to build a tower per class and again in 1979, but the Bell Tower was built, 1319 in 1821 1825 takes all 177 years.After that, in 1990 and 2001, Andrea Hall years, SATO has been updated, even stronger. To prevent the Tower falling downGalileo used previously wrestled this trial Chamber Lake Hussain about gravity. In the episode, he studied at the University of Pisa, using two balls of equal weight to throw balls down to prove that 2 ball will reach the ground simultaneously, which is, according to Galileo are expected.1987 The leaning tower of Pisa has been declared a world heritage site. As part of the Piazza Dei Miracoli leaning tower of Pisa is also the 7 Wonders of the medieval world, too.
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