Jinan, Shandong, China
Osnabrück, Niedersachsen, Germany
Berlin, Berlin, Germany
Munich, Bavaria, Germany
Durham, Durham, United Kingdom
Tübingen, Baden Württemberg, Germany
Hamburg, Hamburg, Germany
Maastricht, Limburg, Netherlands
Cologne, North Rhine-Westphalia, Germany
Bayreuth, Bavaria, Germany
Osnabrueck, Lower Saxony, Germany