Berlin, Berlin, Germany
Grenoble, Rhone-Alpes, France
Valleiry, Auvergne-Rhône-Alpes, France
Avignon, Provence-Alpes-Cote d'Azur, France
Lyon, Rhone-Alpes, France
Hamburg, Hamburg, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Boulder, CO, USA
Bonn, North Rhine-Westphalia, Germany
Halle (Saale), Saxony Anhalt, Germany
Nuremberg, Bavaria, Germany
