Created by Arne Sava
Contributed by Nick Sherman
Contributed by Rob Hudson
Photo(s) by altpapiersammler on Flickr.
Contributed by Stephen Coles
Photo(s) by dr. shordzi on Flickr.
Photo(s) by Bart Solenthaler on Flickr.
Contributed by ssssd
Contributed by Frank Grießhammer
Contributed by Florian Hardwig