Control tower at Klagenfurt airport (<a href="//commons.wikimedia.org/wiki/K%C3%A4rnten" class="mw-redirect" title="Kärnten">Carinthia</a>, <a href="//commons.wikimedia.org/wiki/%C3%96sterreich" title="Österreich">Austria</a>), covered by a Lufthansa advertisement.
<a href="//commons.wikimedia.org/wiki/User:Savh" title="User:Savh">Savh</a>
<span class="int-own-work" lang="en">Own work</span>