Bologna, Emilia-Romagna, Italy
Warendorf, North Rhine-Westphalia, Germany
Windsor, Berks, United Kingdom of Great Britain and Northern Ireland
Madrid, Comunidad de Madrid, Spain
Wien, Wien, Austria
Berlin, Berlin, Germany
Riga, Riga, Latvia
Leuven, Flemish-Brabant, Belgium
Gent, East-Flanders, Belgium
Hamburg, Hamburg, Germany
Valmiera, Valmiera, Latvia
