NSG Schwarze Berge in der Bayer. Hochrhön, alter Basaltsteinbruch am Kellerstein
<a href="//commons.wikimedia.org/wiki/User:Bonnlander" title="User:Bonnlander">Bonnlander</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>