Galileo hotel-check of this trial Chamber used to lay about gravity. In the episode, he studied at the University of Pisa, using 2 ball ball not the same weight it down to prove that 2 ball will fall to ground balls at the same time, which is determined by Galileo are expected.In 1934 Benito-saso-Ney is trying to make the spear back perpendicular to the original concrete pour at the base, but it makes more and more leaning tower to the next. The u.s. Army. The decision not to shoot a cannon place Tower in Pisa.February 27, 1964 Government of Italy Trying to stop the tilt of the leaning tower of Pisa, by experts in various aspects, such as engineers, mathematician and historian, using more than 800 tons of steel as well as to prop up the falling Tower.On January 7, 1990 Leaning tower of Pisa is closed to visitors for security reasons, they also dug out of the ground on the other side to give more balance and leaning tower, Pisa 2001 December 15 was open to visitors again and declared that the balance in the 300 years later after starting to improve.In 1987 Leaning tower of Pisa has been declared a world heritage site. As part of the Piazza Dei Miracoli Pisa leaning tower is also 7 Wonders of the world in the middle ages as well.
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