Oslo, Oslo, Norway
Osnabrück, Lower Saxony, Germany
Hamburg, Germany
Dalian, Liaoning, China
Saint Petersburg, Saint Petersburg, Russia
Wageningen, Gelderland, Netherlands
Gyeryong-si, Chungcheongnam-do, Korea, Republic of
Mannheim, Baden-Wuerttemberg, Germany
Hirschberg an der Bergstraße, Baden-Württemberg, Germany
Stockholm County, Sweden
Seoul, Korea, Republic of
Roeselare, West-Flanders, Belgium
