Hot air ballooning trip across Cologne; <a href="https://en.wikipedia.org/wiki/Cologne_City_Hall" class="extiw" title="en:Cologne City Hall">Tower of City Hall</a>, <a href="//commons.wikimedia.org/wiki/K%C3%B6lner_Dom" title="Kölner Dom">Kölner Dom</a>, <a href="https://en.wikipedia.org/wiki/Great_St._Martin_Church,_Cologne" class="extiw" title="en:Great St. Martin Church, Cologne">Great St. Martin Church</a>
<a href="//commons.wikimedia.org/wiki/User:Hasenl%C3%A4ufer" title="User:Hasenläufer">Eckhard Henkel</a>
CC BY-SA 3.0 de
<span class="int-own-work" lang="en">Own work</span>