Frankfurt, Hesse, Germany
Izmail, Odessa Oblast, Ukraine
Nijmegen, Gelderland, Netherlands
Aachen, North Rhine-Westphalia, Germany
Brussels, Brussels-Capital, Belgium
Kyiv, Ukraine
Braunschweig, Niedersachsen, Germany
Bonn, North Rhine-Westphalia, Germany
București, Municipiul București, Romania
Kyiv, Kyiv city, Ukraine