Trier, Rheinland-Pfalz, Germany
Leipzig, Saxony, Germany
Sint-Niklaas, Vlaams Gewest, Belgium
Zurich, Zurich, Switzerland
Graz, Styria, Austria
Berlin, Berlin, Germany
Cologne, North Rhine-Westphalia, Germany
Aalborg, Aalborg Municipality, Denmark
Campandre-Valcongrain, Lower Normandy, France
Tallinn, Harju county, Estonia
Brno, South Moravian Region, Czech Republic
