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Mark 2400: View from the Aon Center
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Mark 2400: BP Bridge - Millennium Park from the Aon Center
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Mark 2400: Cloud Gate - ("The Bean") from the Aon Center
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Mark 2400: Field Museum & Soldier Field - From the Aon Center
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Mark 2400: View from the Aon Center - Chicago
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Mark 2400: View from the Aon Center
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Mark 2400: Navy Pier Ferris Wheel & Skyline Stage - From the Aon Center
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Mark 2400: Aqua Building from the Aon Center
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Mark 2400: View from the Aon Center - Chicago
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Mark 2400: View from the Aon Center
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Mark 2400: Aon Center - Open House Chicago
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Mark 2400: View from the Aon Center
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Mark 2400: Bertoia Sculpture - Aon Center
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Mark 2400: Bertoia Sculpture - Aon Center
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Mark 2400: Chicago Cultural Center
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Mark 2400: Millennium Park - From the Prudential Building Terrace
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: One Prudential Plaza - Open House Chicago 2015
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Mark 2400: Peacock Doors - Palmer House Hilton Hotel
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Mark 2400: Harris Bank Building - Monroe Street - Chicago
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Mark 2400: My Office from the Adrian Smith + Gordon Gill Architecture Office
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Mark 2400: "Excelon" Plaza (Former One First National Plaza)
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Mark 2400: Majestic Building - Monroe Street - Chicago
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Mark 2400: Continental Illinois National Bank Building - Open House Chicago