Heidelberg, Baden-Württemberg, Germany
Salvador, State of Bahia, Brazil
Barcelona, Catalonia, Spain
Milan, Italy
Mikkeli, Southern Savonia, Finland
Novale di Sopra, Trentino-Alto Adige, Italy
Wageningen, Gelderland, Netherlands
Wermelskirchen, North Rhine-Westphalia, Germany
Frankfurt am Main, Hessen, Germany
Texcoco, State of Mexico, Mexico
Montréal, Québec, Canada
