Hildesheim, Lower Saxony, Germany
Le Mans, Pays de la Loire, France
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
Brunswick, Lower Saxony, Germany
Cachan, Ile-de-France, France
Hildesheim, Niedersachsen, Germany
Berlin, Berlin, Germany
Braunschweig, Lower Saxony, Germany
Rostock, Mecklenburg-Vorpommern, Germany
Kiel, Schleswig-Holstein, Germany
Hannover, Lower Saxony, Germany