Madrid, Community of Madrid, Spain
Montpellier, Languedoc-Roussillon-Midi-Pyrénées, France
Salzburg, Salzburg, Austria
Krakow, Lesser Poland Voivodeship, Poland
Thessaloniki, Makedonia Thraki, Greece
Szeged, Hungary
Barcelona, Catalunya, Spain
Bordeaux, Aquitaine, France
Alicante, Valencian Community, Spain