RE 10020 (Hamm-Aachen) passes Königsdorf (on Cologne-Aachen) on 15
February 2003. Between the rails you can see the cables of the LZB
(Linienzugbeeinflussung) which is not yet in service.
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>