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A look at the interior of Chicago’s old main post office and plans for its development. (Phil Velasquez/Chicago Tribune, Gensler)
Old main post office development
Phil Velasquez / Chicago Tribune
Chicago’s long-vacant old main post office, at 433 W. Van Buren St., is seen Sept. 22, 2017. The site, which has 2.5 million square feet of office space, is being redeveloped by New York-based 601W Cos. 
