Paris, France
Cologne, North Rhine-Westphalia, Germany
Ioannina, Ipiros Ditiki Makedonia, Greece
Volos, Greece
Helsinki, Uusimaa, Finland
Esslingen am Neckar, Baden-Württemberg, Germany
Kampar, Perak, Malaysia
Volos, Thessalia Sterea Ellada, Greece
Utrecht, Randstad, Netherlands