423 693-1 at the end of a special train seen in Düren (on Cologne-Aachen)
on 12 December 2002. It was one of the test runs for the new S-Bahn (urban
trains) line 13 Cologne-Düren which starts on 15 December 2002. This was
the leading unit when the train came from Cologne.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>