Uppsala, Uppsala County, Sweden
Köln, Nordrhein-Westfalen, Germany
South Orange, NJ, USA
Cologne, North Rhine-Westphalia, Germany
Erfurt, Thüringen, Germany
Düsseldorf, North Rhine-Westphalia, Germany
Frankfurt am Main, Hessen, Germany
Melbourne, Victoria, Australia
Karlsruhe, Baden-Württemberg, Germany
Stuttgart, Baden-Württemberg, Germany
Baden-Baden, Baden-Wuerttemberg, Germany
Katowice, Silesian Voivodeship, Poland