Stuttgart, Baden-Wuerttemberg, Germany
Modena, Emilia-Romagna, Italy
Hervás, Extremadura, Spain
Linköping, Östergötlands län, Sweden
Frankfurt am Main, Hessen, Germany
Gothenburg, Vastra Gotaland, Sweden
Ville de Québec, Québec, Canada
Copenhagen, Capital Region of Denmark, Denmark
Vienna, Vienna, Austria
Basel, Basel-Town, Switzerland
Chicago, il, USA
San Cristóbal de La Laguna, Canarias, Spain