Metal conductor on the Hühnerstein - 12 m high sandstone rocks near Hauenstein at Palatinate Forest, Germany
<a href="//commons.wikimedia.org/wiki/User:CatalpaSpirit" title="User:CatalpaSpirit">CatalpaSpirit</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>