Wookiee wrote:They collect leftovers and food refuse from restaurants and communities and either feed it to hogs, or compost and fertilize crops with. Nothing surreptitious.
Yeh, I thought of that, and it seemed unlikely.
These look to be standard oil drums, as in for liquid, and made of relatively thin sheet steel. They are also shiny, as in new and/or freshly painted.
None of these characteristics are typical of swill-bins, which are typically heavy-duty blue polyethylene with a full diameter screw top.