Mainz, Rhineland-Palatinate, Germany
Essen, Nordrhein-Westfalen, Germany
Halle (Saale), Sachsen-Anhalt, Germany
Duisburg, North Rhine-Westphalia, Germany
Girona, Catalunya, Spain
Salou, Catalonia, Spain
Witzenhausen, Hessen, Germany
Voorburg, Zuid-Holland, Netherlands
Montreal, Quebec, Canada
