423 291-4 approaches Köln Hbf as leading unit of S 8168
(Düsseldorf-Wehrhahn - Bergisch Gladbach) on 23 March 2005.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>
(<a href="mailto:christoph.schmitz2@post.rwth-aachen.de">christoph.schmitz2@post.rwth-aachen.de</a>)