Budapest, Budapest, Hungary
Lublin, Lublin, Poland
Făgăraș, Brașov, Romania
Global City, Fort Bonifacio, Philippines
Strasbourg, Alsace, France
Hannover, Niedersachsen, Germany
Nulles, Catalunya, Spain
Bonn, North Rhine-Westphalia, Germany
Belgrade, Stari Grad, Serbia
Münster, Nordrhein-Westfalen, Germany
Brno, South Moravian, Czechia
Athens, Attica, Greece
