Double-deck rail car with steering cabin of the regional line RE 5 Cologne to Koblenz at Köln Hbf.
<a href="//commons.wikimedia.org/wiki/User:Ad_Meskens" title="User:Ad Meskens">Ad Meskens</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>