Siebenschneiderstein, glacial erratic near <a href="//commons.wikimedia.org/wiki/Cape_Arkona" title="Cape Arkona">Cape Arkona</a>
<a href="//commons.wikimedia.org/wiki/User:Unukorno" title="User:Unukorno">Unukorno</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>