<a href="//commons.wikimedia.org/wiki/Euphorbia_ingens" title="Euphorbia ingens">Euphorbia ingens</a> (not candelabrum!) old stems covered with lichens, BG BotaniCactus, Mallorca, Spain
Frank Vincentz
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>