View onto the new Breitestraße tunnel in Sindorf on the upgraded line
Cologne-Düren
(<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/strecke/strecke.html">ABS 4</a>),
15 July 2001. Above the tunnel, the old bridge is still in place, the green
handlebars can be seen. On the right side, a big new mast carries the catenary
while the installations for the tension are still attached to the old masts.
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph Schmitz</a>