Contributed by Dafi Kühne
Contributed by Ufuk Sarp Selçok
Contributed by Jay Mellor
Photo(s) by Bart Solenthaler on Flickr.
Contributed by Garrison Martin
Contributed by Florian Hardwig
Contributed by Herb Lubalin Study Center
Contributed by Stephen Coles
Photo(s) by mikeyashworth on Flickr.