Aix-en-Provence, Provence-Alpes-Côte d'Azur, France
Budapest, Budapest, Hungary
Leuven, Flanders, Belgium
Thessaloniki, Makedonia Thraki, Greece
Jena, Thüringen, Germany
London, United Kingdom
Budapest, Hungary
Lille, Nord-Pas-de-Calais-Picardie, France
Katerini, Greece
Marburg, Hesse, Germany