The megalithic tomb "Stegelitz 2" oder "Suckow" near Stegelitz, Brandenburg.
Sprockhoff No. 454
<a href="//commons.wikimedia.org/wiki/User:Cephyr~commonswiki" title="User:Cephyr~commonswiki">Stefan Ahlswede</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>