This image shows the portal of the closed silver-mine "Reicher Matthias Erbstolln" in Grund near <a href="https://en.wikipedia.org/wiki/wilsdruff" class="extiw" title="en:wilsdruff">Wilsdruff</a>.
<a href="//commons.wikimedia.org/wiki/User:Norbert_Kaiser" title="User:Norbert Kaiser">Norbert Kaiser</a>
CC BY-SA 3.0
<span class="int-own-work">Self-photographed</span>