The Leaning Tower Of Pisa

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The tower of Pisa
Submission one
The tower of Pisa is a well known masterpiece of architecture and it is considered the crowning glory of Pizza. It is the tallest building structure in the whole of Europe and a real example of the medieval engineering . The tower of Pisa is also known as the bell tower and it is a part of a big complex that includes four important buildings. The tower was built by Guglielmo and the sculptor Bonanno and the tower was made of some storeys and its final point is the bell. The purpose behind building the tower was to use it for gravity experiments. In addition , people of the city wished to display how wealthy and prosperous they were. The construction of the tower began in 1172 and it was constructed in the city of Pisa. It took 234 years to build this tower as it was built in three stages. It is known as the leaning tower of Pisa because of the leaning of its foundation and every year the leaning of the tower increases for some inches. The exact cost of constructing the tower is not known because the tower was built over some stages. However, it is estimated to be very high.

Submission two:
Limestone and lime mortar are the main materials used for the construction of the tower. Marble covers the tower from outside and each level of the tower has arches and columns. The architect who was in the charge of the construction was called Giovanni Di Simone. The leaning of the foundation that caused the leaning of the whole tower led the architect to change the design many times. The foundation of the tower was laid in 1173 and it was made of lime and marble that are characterized by their strength and durability. The rotation of the tower was the main problem as it caused the leaning. In order ...

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.... All those interested in studying the field of architecture must study this extremely wonderful piece of architecture because will provide them with great knowledge and experience , not theoretically but practically. Worldwide , there are smaller samples of the tower of Pisa to show the admiration of this tower.

References:
1- J. Rodriguez, Tower of Pisa: The Leaning Tower of Pisa, Why the Tower of Pisa is leaning, About.com Guide. http://construction.about.com/od/Benchmark-Projects/a/The-Tower-Of-Pisa-What-We-Learned.htm 2- ND, The Leaning Tower of Pisa , Online Learning Heaven

http://www.funsocialstudies.learninghaven.com/articles/leaningtower.htm
3- V. Ryan , The leaning Tower of Pisa , 2002 , Retrieved from : http://www.technologystudent.com/culture1/pisa1.htm 4- The leaning Tower of Pisa , retrieved from
http://www.italyguides.it/us/pisa/leaning_tower.htm

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