Tramcar 4501 of the Kölner Verkehrsbetriebe (KVB) seen at Neumarkt on 18
April 2005, at the official presentation of the new K 4500 series. The rear
lights are formed by LEDs.
<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>)