<a href="//commons.wikimedia.org/wiki/Ravensburg" title="Ravensburg">Ravensburg</a>, Konzerthaus, built by <a href="https://de.wikipedia.org/wiki/Ferdinand_Fellner" class="extiw" title="de:Ferdinand Fellner">Ferdinand Fellner</a> (of <a href="https://de.wikipedia.org/wiki/B%C3%BCro_Fellner_%26_Helmer" class="extiw" title="de:Büro Fellner &amp; Helmer">Fellner &amp; Helmer Architects</a>, Vienna)
Andreas Praefcke
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>