Visiting the men’s room at the Munich airport, I saw what looked like a fly in the bowl. Then I realized that all the bowls had flies—realistic looking flies painted on the porcelain.
I’ve heard about this before, and the apocryphal explanation is that you’re supposed to aim at the fly. I have no idea whether this is true, but below you see what males confront when nature calls at Flughafen München:
Enlarging this, one sees a fine specimen of Musca domestica:
Needless to say, I had to wait until the men’s room emptied before taking these pictures!
Another striking feature of this restroom is that each urinal is separated from the others by partitions, presumably to allow you some privacy while your paternal apparatus is in use: