Gliwice, Silesian Voivodeship, Poland
Kraków, Lesser Poland Voivodeship, Poland
Tomsk, Tomsk Oblast, Russian Federation
Budapest, Hungary
Berlin, Berlin, Germany
Rotterdam, the Netherlands
Qingdao, Shandong, China
Bratislava, Bratislavský kraj, Slovakia
Cermenate, Lombardia, Italy
Istanbul, Istanbul, Turkey