Duisburg, North Rhine-Westphalia, Germany
La Paz, La Paz Department, Bolivia (Plurinational State of)
Cologne, North Rhine-Westphalia, Germany
Kiel, Schleswig-Holstein, Germany
Dortmund, North Rhine-Westphalia, Germany
Cluj-Napoca, Cluj County, Romania
Tirana, Tirana, Albania
Stuttgart, Baden-Württemberg, Germany
Istanbul, İstanbul, Turkey
Heidelberg, Baden-Württemberg, Germany
Germany