Gothenburg, Västra Götaland County, Sweden
Katowice, Silesian Voivodeship, Poland
Bucharest, Bucharest, Romania
Vladivostok, Primorsky Krai, Russian Federation
Stockholm, Sweden
Warsaw, Masovian Voivodeship, Poland
Çanakkale, Çanakkale, Turkey
Liberec Region, Czechia
Olomouc, Olomouc Region, Czechia