It's not just Scandanavia, most European countries have, if not full on doors on their cubicles, non-visible vertical gaps and horizontal gaps of at most 5cm (2

It's not just Scandanavia, most European countries have, if not full on doors on their cubicles, non-visible vertical gaps and horizontal gaps of at most 5cm (2in). You might occasionally see a pub or shelter with US style door gaps to discourage drug use, but very much the minority.