Chełmno, Kuyavian-Pomeranian Voivodeship, Poland
Tehran, Tehran Province, Iran (Islamic Republic of)
Antwerp, Flanders, Belgium
Petra, Ma'an Governorate, Jordan
Brussels, Brussels, Belgium
Istanbul, Istanbul, Turkey
Rotterdam, Zuid-Holland, Netherlands
Welkenraedt, Wallonia, Belgium
Sofia, Sofia-city, Bulgaria
Zurich, Canton of Zürich, Switzerland
İzmir, Turkey
Prague, Hlavní město Praha, Czech Republic