File:2008-05-24 Pittsburgh 014 Penn St, 13th St, Heinz Building (2669437590).jpg

July 2008 described at URL: https://www.flickr.com/photos/wm_archiv/2669437590/ operator: Flickr URL: https://live.staticflickr.com/3003/2669437590_3bfc9d1f82_o