Keywords: Pittsburgh-04.jpg de Pittsburgh en Pittsburgh In the background is the cathedral of learning 2014-08-02 14 27 31 own MartinThoma 40 441786111111 -79 948883333333 cc-zero Taken with Panasonic Lumix DMC-TZ41 Images by Martin Thoma/CMU Uploaded with UploadWizard Cathedral of Learning 2014 in Pittsburgh Bellefield Boiler Plant Junction Hollow valley Construction in Pittsburgh |