Diesel loco 6.304.1 of the Dürener Kreisbahn (DKB) stands in Düren on
3 October 2001. On the left is the other diesel loco, 6.305.1.
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>