They look like shelters for hikers in a national park, but these wooden sheds in Switzerland have a rather less innocent purpose—they provide a discreet location for men to have sex with prostitutes. The drive-in “sex boxes”, as they are being called, will be officially opened on August 26, as part of a drive by authorities in Zürich to regulate prostitution, combat pimping and improve security for sex workers. … The site is only open to drivers of cars—pedestrians and men on motorbikes are not allowed—and will operate from early evening until 5 a.m. each day. …