Культура : The so-called men's carnival Sunday - costumed groups of singers and musicians gather at dusk in the old town of Zug. They stop at any house where a red light burns to indicate that the engaged or newly-married couple living there would like to be serenaded by the group of singers.
This tradition goes back a long way, and has developed considerably over the years before becoming as we know it today www.zug-tourismus.ch