Vilnius, Vilnius, Lithuania
Aachen, Nordrhein-Westfalen, Germany
Valencia, Valencian Community, Spain
Seoul, Seoul, Korea (Republic of)
Freiburg im Breisgau, Baden-Württemberg, Germany
Greifswald, Mecklenburg-Vorpommern, Germany
Prague, Prague, Czech Republic
Muenster, North Rhine-Westphalia, Germany
Madrid, Madrid, Spain
Helsingfors, Finland
Berlin, Berlin, Germany
Hamburg, Hamburg, Germany
