Not far from where I live a trail goes off into the woods. I’ve documented it before in an earlier post: Wasteland off the Lake. It’s a strange area with an abandoned trailer, concrete forms, old tires, playground equipment etc. I went through again the other day.
I’d noticed these circular objects before, but hadn’t looked at them closely. At first I’d thought that they were mill wheels but dismissed that thought as they seemed too small. This time I took a closer look. The first one has a handle and right by the handle a sign (in yellow in the picture). The sign reads: WARNING. DO NOT ENTER. POISON GAS.
Clearly they covered some kind of container at some point. Makes you wonder what it was they covered!