Cluj-Napoca, Cluj County, Romania
Gif-sur-Yvette, Île-de-France, France
Budapest, Budapest, Hungary
Warsaw, Mazovia, Poland
Hønefoss, Buskerud, Norway
Hungary
Bonn, Nordrhein-Westfalen, Germany
Gdańsk, Pomeranian Voivodeship, Poland
Asnières-sur-Seine, Île-de-France, France
Strasbourg, Grand Est, France