Contributed by Rob Hudson
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Photo(s) by Bart Solenthaler on Flickr.
Photo(s) by Make It Old on Flickr.
Photo(s) by Klaus Hiltscher on Flickr.
Contributed by Patrick Concannon
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Photo(s) by Cardboard America™ Collection on Flickr.
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Photo(s) by mikeyashworth on Flickr.
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Contributed by Jorge Iván Moreno Majul