Alcala de Henares, Community of Madrid, Spain
Heide, Schleswig-Holstein, Germany
Karlsruhe, Baden-Württemberg, Germany
Halle (Saale), Sachsen-Anhalt, Germany
Halle (Saale), Saxony Anhalt, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Brussels, Brussels, Belgium
Kiel, Schleswig-Holstein, Germany