Bonn, Nordrhein-Westfalen, Germany
Holzmaden, Baden-Württemberg, Germany
Nantes, Pays de la Loire, France
Dresden, Saxony, Germany
Tuebingen, Baden-Wuerttemberg, Germany
Paris, Île-de-France, France
Karlsruhe, Baden-Wuerttemberg, Germany
Boston, MA, USA
Hamburg, Hamburg, Germany
Muenster, North Rhine-Westphalia, Germany
Saint-Nazaire, Loire-Atlantique, France
Toulouse, Midi-Pyrenees, France
