Zagreb, City of Zagreb, Croatia
Saint-Petersburg, Russian Federation
Bochum, Nordrhein-Westfalen, Germany
Boulogne-sur-Mer, Nord-Pas-de-Calais, France
Weingarten, Baden-Württemberg, Germany
Berlin, Berlin, Germany
Almetyevsk, Tatarstan, Russian Federation
Karlsruhe, Baden-Württemberg, Germany
Kharkiv, Kharkiv Oblast, Ukraine
Wildau, Brandenburg, Germany