<a href="https://de.wikipedia.org/wiki/Kilianstollen" class="extiw" title="de:Kilianstollen">de:Kilianstollen</a> in <a href="//commons.wikimedia.org/wiki/Marsberg" title="Marsberg">Marsberg</a>.
<a href="//commons.wikimedia.org/wiki/User:Asio_otus" title="User:Asio otus">Asio otus</a>
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<span class="int-own-work" lang="en">Own work</span>