Santiago-Calatrava-in-Chicago

Santiago Calatrava in Chicago

Santiago Calatrava has unveiled new designs for the Chicago Spire - a 150-storey condiminum tower proposed for Lake Shore Drive (via Archidose).

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The Spanish-born engineer unveiled his latest refinements to the controversial design in Chicago on Monday.

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If built, the 2,000ft tower will contain around 1300 luxury apartments. More on the tower in the Chicago Tribune.