Sant Cugat del Vallès, Catalonia, Spain
Frankfurt, Hesse, Germany
Hagen, North Rhine-Westphalia, Germany
Esslingen am Neckar, Baden-Württemberg, Germany
Decorah, IA, United States
Dortmund, Nordrhein-Westfalen, Germany
Berlin, Berlin, Germany
Walzenhausen, Appenzell Ausserrhoden, Switzerland
Zoetermeer, Zuid-Holland, Netherlands
Linz, Oberösterreich, Austria
Hancock, NH, USA
Konstanz, Baden-Württemberg, Germany