Duisburg, North Rhine-Westphalia, Germany
Madrid, Community of Madrid, Spain
Innsbruck, Tyrol, Austria
Provincia de Heredia, Costa Rica
Liège, Walloon Region, Belgium
Järvenpää, Uusimaa, Finland
Goettingen, Lower Saxony, Germany
Nuremberg, Bavaria, Germany
Heidelberg, Baden-Württemberg, Germany
Heidelberg, Baden-Wuerttemberg, Germany
