Chicago Aon Center
Aon Center - one of the highest skyscrapers of Peace, built in Chicago architect Edward Stone in 1972. It consists of 83 floors and has a height of 346.3 meters, as the second highest building in Chicago since the Sears Tower and the third highest in the United States.
Immediately after the building was built to the highest building in the world with marble facings. Over time, but under the influence of strong weathering marble lining beginning to crumble and had to withdraw. From 1990 to 1992 he worked, all the building was faced anew, this time with white granite (it is worth half of the spent money on the erection of a building). The building is equipped with special steel Farms with V-shaped piles on the perimeter in order to more effectively resist earthquakes, gusts of wind and minimize bending towers.
The owner of the building
Aon Corporation - the main owner of the building. It removes 47852 m2 (20.60%) area buildings. Also here are offices of companies: