Plasser & Theurer 09-32 CSM ballast tamper of Kölngleis working in the
area of the station Buir (on Cologne-Aachen) on 5 September 2001. The close-up
shows the tamping device which is just down. Note the horizontal wheels on the
left which are used to lift the rails.
<p>
Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph
Schmitz</a>