Here is an example of prohibition sign, i.e., "No pedestrians" symbol with a RED circle around it, according to Wikipedia.
Here is a symbol with a RED circle around it, found in Ottawa, ON, Canada. Doesn't it mean that "DOGS ON LEASH" and "pick up and take away your animal's waste" are prohibited???
Here is symbol with a GREEN circle around it, found in Gatineau, QC, Canada. It means that "DOGS ON LEASH" and "pick up and take away your animal's waste" are permitted???
