Trento, Trentino-Alto Adige, Italy
Tübingen, Baden-Württemberg, Germany
Göttingen, Niedersachsen, Germany
Warsaw, Mazowieckie, Poland
Kuala Lumpur, Kuala Lumpur Federal Territory, Malaysia
Berlin, Berlin, Germany
Bremen, Bremen, Germany
Eberswalde, Brandenburg, Germany
Flensburg, Schleswig-Holstein, Germany
Cologne, North Rhine-Westphalia, Germany