Berlin, Berlin, Germany
Porto, Porto District, Portugal
Thessaloniki, Decentralized Administration of Macedonia and Thrace, Greece
București, Municipiul București, Romania
Sumy, Sumy, Ukraine
Dos Hermanas, Andalucía, Spain
Zheleznogorsk, Kursk, Russian Federation
Zagreb, Zagreb City, Croatia
Maragogi, Alagoas, Brazil
Kyiv, Kyiv Province, Ukraine
Warsaw, Masovian Voivodeship, Poland
Vilnius, Vilnius, Lithuania