Hamburg, Hamburg, Germany
Karlsruhe, Baden-Württemberg, Germany
Peyrolles-en-Provence, Provence-Alpes-Côte d'Azur, France
Tokyo, Japan
Aarhus, Central Denmark Region, Denmark
Karlstad, Varmland County, Sweden
Uppsala, Uppsala, Sweden
Stockholm, Stockholm, Sweden
Toulouse, Midi-Pyrénées, France
Leipzig, Saxony, Germany
Gothenburg, Vastra Gotaland, Sweden
Trollhättan, Västra Götaland County, Sweden