Oslo, Oslo, Norway
Luxembourg City, Luxembourg, Luxembourg
Stuttgart, Baden-Wuerttemberg, Germany
Aubenas, Auvergne-Rhône-Alpes, France
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Nuremberg, Bavaria, Germany
Offenbach, Hessen, Germany
Arlington, Virginia, United States
Dijon, France
Kiel, Schleswig-Holstein, Germany
Trondheim, Sor-Trondelag, Norway
Prague, Prague, Czech Republic