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Leaning Tower of Pisa

Leaning Tower of Pisa, Picture
Leaning Tower of Pisa, Picture 1

  The Tower of Pisa is the bell tower of the cathedral standing in Pisa, Italy, the famous Square of Miracles. Immediately after the start of construction in 1173, began to tilt to the north because of a weak base and wrong execution of the foundation. In 2006, the slope has nearly 13 °. High is 55.86 meters from the ground to the top of the low wall, and the highest country is 56.70 meters weighs 14,500 Nearly 90 years so construction was halted. When the construction is renewed, the tower began to tilt from north to south. Deviation from the base is 5.6 m and the shape is bananovidna. In all known laws of physics until now, the tower is long overdue fall. In any attempt slope be changed and be strengthened in some way cause more damage. Only in 2007, when the tip deflection is reduced by 45 cm successfully approaching this situation from 1838, based on a project led by scientists soil mechanics, costing 20 million dollars. The project has withdrawn 70 points from the north wall of soil and installing metal trosove and ballast. After restoration, Jan. visiting tourists can see the differences in the limestone and marble superstructure. If the "incident" in the Pisa tower is tilted and is strictly vertical, fame will be reduced to a narrow range of historians and architects. Due to its structural deficiencies is known worldwide.

   Today, looking at the tower from the ground or climbing on top of the 294 steps to the latest platform with fading heart, because at any time the tower is on the verge of collapse, leaving only ask ourselves how and why it has not fallen.

Leaning tower was intended for the cathedral bell tower, whose construction was begun 100 years earlier, after a victorious battle against Palermo in pizantsite Saracens. In the Cathedral of Pisa are several graves of historical figures - German Emperor - Henry the seventh. The style of the buildings are famous as a Roman-pizanski. The influence of Islam is perceived in the black and white marble, building exterior walls. The facade of the ground floor is crowned with arcades on several levels decorative arcades are located on the upper parts.

   The tower is decorated with white and gray marble. At the entrance is a bas-relief of fantastic animals, and the top placed plinth with the Madonna and Child. In 1564 Galileo Galilei used the tower for his experiments. On top of it he throws objects and shows that the rate of fall is in direct proportion to body weight that falls.

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