Duisburg, Nordrhein-Westfalen, Germany
Prague, Hlavní město Praha, Czech Republic
Cologne, North Rhine-Westphalia, Germany
Wuppertal, Nordrhein-Westfalen, Germany
øster assels, north denmark Region, Denmark
Odense, Denmark
Essen, North Rhine-Westphalia, Germany
Antwerpen, Vlaanderen, Belgium
Prague, Hlavní město Praha, Czechia
Den Haag, Zuid-Holland, Netherlands
Jeonju-si, Jeollabuk-do, Korea (Republic of)
