A machine for removing ballast after tamping runs through Sindorf (on
Cologne-Aachen) on 5 September 2001. A spare tool is stored on the machine,
note the gaps that match with the rails.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>