Halle (Saale), Saxony-Anhalt, Germany
Kyiv, Kyiv city, Ukraine
Opole, Opole Voivodeship, Poland
Moscow, Moscow City, Russian Federation
Maastricht, Limburg, Netherlands
Brussels, Brussels, Belgium
Kiev, Kyiv city, Ukraine
Madrid, Community of Madrid, Spain
London, United Kingdom of Great Britain and Northern Ireland
Freiburg, Baden-Württemberg, Germany
Dijon, Bourgogne Franche-Comté, France