One of the silly things I truly enjoy is finding something on the street that seem to have no practical use.
This is something I found on the street on my summer visit to Paris.
I wonder what this metal thing is on the wall?
Maybe it once had some important work?
It looks like a hook, but I don't think anybody want to hang a shirt or a jacket outside.
Or, maybe it is for some kind of big animals?
It could be an emergency alarm? No, there was no electricity in the old days!