Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Konstanz, Baden-Württemberg, Germany
Berlin, Berlin, Germany
Neukirchen-Vluyn, Nordrhein-Westfalen, Germany
Karlsruhe, Baden-Württemberg, Germany
Poland
Hamburg, Hamburg, Germany
München, Bayern, Germany
Maceió, Alagoas, Brazil
Mainz, Rhineland-Palatinate, Germany
Essen, North Rhine-Westphalia, Germany