Airports are never going to be high on the list of places sans billboards and are usually privatized space. I'm not too bummed out about airports and shopping c

Airports are never going to be high on the list of places sans billboards and are usually privatized space. I'm not too bummed out about airports and shopping centers, but I draw the line at public transit and actual fully public spaces like the streets of downtowns (which are choked in ads in Sydney now).