Of
Nicole Graner
The 14 boxes look like projectors. Except that they didn’t project a movie on a big screen in four days. Rather, they hung, hidden next to green garlands, under the ceiling in the Schottenhamel marquee at the Wiesn and had a special task: to prevent microorganisms such as corona viruses or other harmful airborne germs from multiplying. to make the air cleaner.