The upgraded line Cologne-Düren
(<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/strecke/strecke.html">ABS 4</a>)
seen from a point between Horrem and Sindorf, looking east on 9 August 2001.
The southern highspeed track is already assembled, for the northern the first
ballast layer is ready in some parts. The old line is on the right.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>