Weimar, Hesse, Germany
Bonn, Nordrhein-Westfalen, Germany
Marburg, Hessen, Germany
Marburg, Hesse, Germany
Mechelen, Vlaanderen, Belgium
Poitiers, Nouvelle-Aquitaine, France
Warsaw, Mazovia, Poland
Helsingfors, Finland
Berlin, Berlin, Germany
Hefei, Anhui, China
Nuremberg, Bavaria, Germany