Nine Cylinder Radial by mobil’homme
Cologne – Germany by rafapdalbem1
Koln_01 by Chris Protopapas
interrupted verticals by David Morgan-Mar
Kölner Dom (If you know who took this photo, please let me know so I can give an attribution.)
Eastgate Shopping Center, Berlin Marzahn by Matthias Heiderich Via kateoplis
(Berlin Architecture) by Matthias Heiderich Via kevinnuut
Orange (by massju)
Blue (by massju)
Industry via Steffen Bredemeier