The billboards here, in Zurich at least, are quite small and tasteful. The design museum even has exhibits at times of them.
For example: https://monocle.com/design/how-zurichs-poster-culture-has-tu...
The Lindt billboard across the Limat from the train station is an institution. I don’t know when it appeared but my guess would be the 80s.
The Lindt billboard across the Limat from the train station is an institution. I don’t know when it appeared but my guess would be the 80s.