Astana, Akmola Province, Kazakhstan
Siemianowice Slaskie, Silesia, Poland
Katowice, Silesian Voivodeship, Poland
Sosnowiec, Silesia, Poland
Kongens Lyngby, Lyngby-Taarbæk Municipality, Denmark
Prague, Prague, Czech Republic
Bonn, North Rhine-Westphalia, Germany
Gliwice, Silesia, Poland
Dubai, Dubai, United Arab Emirates
Wrocław, Lower Silesian Voivodeship, Poland
London, England, United Kingdom of Great Britain and Northern Ireland