<a href="https://en.wikipedia.org/wiki/Viaduct" class="extiw" title="en:Viaduct">Viaduct</a> of <a href="https://en.wikipedia.org/wiki/Drachenfels_Railway" class="extiw" title="en:Drachenfels Railway">Drachenfels Railway</a> at station <a href="https://en.wikipedia.org/wiki/Schloss_Drachenburg" class="extiw" title="en:Schloss Drachenburg">Schloss Drachenburg</a>, <a href="https://en.wikipedia.org/wiki/K%C3%B6nigswinter" class="extiw" title="en:Königswinter">Königswinter</a>; "Burghof" in background
<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>