A warning sign to trail users to be careful regarding rattlesnakes.  Sign is located at the Devil's Backbone Open Space, Larimer County Colorado, US
<a href="//commons.wikimedia.org/w/index.php?title=User:Tekim&amp;action=edit&amp;redlink=1" class="new" title="User:Tekim (page does not exist)">Tekim</a>
2021-06-26 10:21:51
<span class="int-own-work" lang="en">Own work</span>