Pisa+Tower

= PISA TOWER =



It was built to was built to keep him upright but began to dip as soon as construction began on August 9, 1173. The tower height is 55 '7 to 57 `8 meters weight 14,700 tons and the inclination of about 4 ° extending 3' 9 meters of vertical. The tower has 8 levels: a base arches with 15 columns, 6 levels with an extreme colonnade surmounted by a steeple. The internal spiral staircase has 294 steps. The Italian government asked for help to prevent its collapse, the 7th of January 1990 was closed to the public or to try to reduce the angle of inclination. He turned to allow entry to the public on 16 2001 after 10 years of work to try to reduce the angle of inclination. He turned to allow entry to the public on 16 2001 after 10 years of work. The construction of the Tower of Pisa was developed in 3 stages. The 1st floor is constructed of pillars and arches classical Greek capitals. For many years the design was attributed to Guglielmo and Bonanno Pisano. Bonanno Pisano's sarcophagus was discovered at the foot of the tower in 1820. the 3rd floor in 1178, the inclined tower north, due to a weak foundation in a basement unstable. The design of this tower was a perfect from the beginning, in 1272 the building was taken over by the architect Giovanni di Simone composante author then added four new plants. Only 1372 Tommaso di Andrea Pisano bell, it is considered that its intervention blends the Gothic bell tower, the bells are 7, each corresponding to a note of the musical scale, the largest of them installed in 1655, following the completion of the belfry, the tower began to lean toward the south.

Lucía y Marina 6ºA