Dortmund, Germany: Colliery train of "Zeche Zollern", a former coal mine. Today a museum and listed monument
<a href="//commons.wikimedia.org/wiki/User:Cccefalon" title="User:Cccefalon">CEphoto, Uwe Aranas</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>