A machine for removing the ballast under the track seen west of Buir (on
Cologne-Aachen) on 20 April 2002. Normally the ballast is just cleaned and then
put back onto the track, but in this case it was removed and stored on the left
side (not visible).
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Digital photo by
<a href="http://www-users.rwth-aachen.de/christoph.schmitz2/index.html">Christoph Schmitz</a>