Warsaw, Mazovia, Poland
Karlsruhe, Baden-Wuerttemberg, Germany
Taipei, Keelung City, Taiwan, Province of China
Hamburg, Hamburg, Germany
Istres, Provence-Alpes-Côte d'Azur, France
Pertuis, Provence-Alpes-Cote d'Azur, France
Granada, Andalusia, Spain
Mönchengladbach, Nordrhein-Westfalen, Germany
Boston, MA, USA
Kassel, Hessen, Germany
Nice, Provence-Alpes-Cote d'Azur, France
Berlin, Berlin, Germany