Eugene, OR, USA
Pordenone, Friuli-Venezia Giulia, Italy
Brugnera, Friuli-Venezia Giulia, Italy
Uedem, Nordrhein-Westfalen, Germany
Helsinki, Uusimaa, Finland
Alexandria, Virginia, United States
Quito, Pichincha, Ecuador
Freiburg im Breisgau, Baden-Württemberg, Germany
London, London, England
Leeds, West Yorkshire, England
Leuven, Flemish-Brabant, Belgium
Moenchengladbach, North Rhine-Westphalia, Germany