Posted Nov 10, 2015, 10:59 PM
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THAT Guy
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Join Date: Oct 2005
Posts: 5,949
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http://www.chicagobusiness.com/reale...ew-observatory
Quote:
Aon Center's new owner plans observatory
By Ryan Ori
The new owner of the Aon Center said it plans to add an observatory atop the 83-story office tower, a plan that would make Chicago just the second city in North America—and one of the few anywhere in the world—with three observatories.
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