Schleiden, North Rhine-Westphalia, Germany
Treviso, Veneto, Italy
Stockholm, Stockholm County, Sweden
Maastricht, Limburg, Netherlands
Rotterdam, Zuid Holland, Netherlands
Bernkastel-Kues, Rhineland-Palatinate, Germany
Paris, Île-de-France, France
Osnabrück, Lower Saxony, Germany
Bogota, Colombia
Köln, NRW, Germany
Karlsruhe, Baden-Württemberg, Germany
Tampere, Pirkanmaa, Finland