Berlin, Berlin, Germany
Hamburg, Hamburg, Germany
Rostov-on-Don, Rostov, Russia
Pefka, Decentralized Administration of Macedonia and Thrace, Greece
Milan, Lombardy, Italy
Thessaloniki, Makedonia Thraki, Greece
Wuppertal, North Rhine-Westphalia, Germany
Kaliningrad, Kaliningrad, Russian Federation
Novosibirsk, Novosibirsk Oblast, Russian Federation
Milano, Lombardia, Italy
Terrassa, Catalunya, Spain
Lazio, Italy
