Contributed by Florian Hardwig
Photo(s) by altpapiersammler on Flickr.
Contributed by CAST
Contributed by Christopher Bergmann
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Contributed by Ralf H.
Photo(s) by Babo Raino on Flickr.
Contributed by Bryson Stohr
Photo(s) by lena truschel on Flickr.
Photo(s) by Frank Grießhammer on Flickr.