Greifswald, Mecklenburg-Vorpommern, Germany
Madrid, Madrid, Spain
Vienna, Vienna, Austria
Oldenburg, Niedersachsen, Germany
Riga, Riga, Latvia
Lörrach, Baden-Württemberg, Germany
Berlin, Berlin, Germany
Strasbourg, Alsace, France
Copenhagen, Capital Region of Denmark, Denmark
Oullins, Auvergne-Rhône-Alpes, France
