<a href="https://en.wikipedia.org/wiki/de:Residenzschloss_Ludwigsburg" class="extiw" title="w:de:Residenzschloss Ludwigsburg">Residenzschloss Ludwigsburg</a>
--<a href="//commons.wikimedia.org/wiki/User:Micha73" title="User:Micha73">Michael Wied</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>