Berlin, Berlin, Germany
Krakow, Lesser Poland, Poland
Issy-les-Moulineaux, Ile-de-France, France
Goettingen, Lower Saxony, Germany
Hamburg, Hamburg, Germany
Barcelona, Catalonia, Spain
Madrid, Community of Madrid, Spain
Shanghai, Shanghai Municipality, China
München, Bayern, Germany
Göttingen, Lower Saxony, Germany
Leipzig, Saxony, Germany
