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Old Posted Jul 27, 2008, 9:08 PM
America 117 America 117 is offline
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Join Date: May 2008
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Cool CHICAGO | AON center | 1,136 FT / 346 M | 83 FLOORS | 1973

built in 1973 AON center was once the tallset building in chicago.
it is the 4th tallest in the US and 16th tallest in the world.
the buildings facade is made of mount airy white granite.
it was once made of marble but was refaced for about $80 million dollers which was over half the cost of the building itself. the old marble was crushed and used for landscaping.

those facts are from: Aon Center (Chicago) - Wikipedia, the free encyclopedia




this pic is from www.skyscraperpicture.com/aoncenter.htm

Last edited by America 117; Jul 27, 2008 at 10:41 PM.
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