Artwork in the Montana Colorada near Lajares and volcano Hondo, Fuerteventura, Canary Islands, Spain
<a href="//commons.wikimedia.org/wiki/User:NorbertNagel" title="User:NorbertNagel">Norbert Nagel, Mörfelden-Walldorf, Germany</a>
CC BY-SA 3.0
Object: Unknown artist. Photo:Own work.