Contributed by Nick Sherman
Contributed by Herb Lubalin Study Center
Contributed by Jorge Iván Moreno Majul
Contributed by Matthijs Sluiter
Photo(s) by Bart Solenthaler on Flickr.
Contributed by Stephen Coles
Contributed by Axl Gamez González
Contributed by Michael Bojkowski
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Contributed by Walter Hansen
Contributed by Jeremy Tankard