Prague, Hlavní město Praha, Czech Republic
Oslo, Oslo, Norway
Zabrze, Silesia, Poland
Stara Zagora, Stara Zagora, Bulgaria
Katowice, śląskie, Poland
Amsterdam, Noord-Holland, Netherlands
Ústí nad Labem, Ústí nad Labem Region, Czech Republic
Valencia, Valencian Community, Spain
Pilsen, Plzen Region, Czech Republic
