It looks like the edges of th floor plates are thicker than the floor plates themselves are which gives the impression that they are much thicker than they really are. I do agree though that this thing looks like a bunker so far.
I still would have greatly preferred them restoring that beautiful Art Deco tower that was there and having them build this on the billion other vacant parking lots downtown.
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There’s no greater abomination to mankind and nature than Ryan Home developments.