La Chaux-de-Fonds, Neuchatel, Switzerland
Lyon, Auvergne-Rhône-Alpes, France
Lausanne, Vaud, Switzerland
Leipzig, Sachsen, Germany
Montargis, Centre, France
Madrid, Madrid, Spain
Valence, Rhone-Alpes, France
Berlin, Germany
Hamburg, Hamburg, Germany
Ottignies-Louvain-la-Neuve, Brabant Walloon, Belgium
Tübingen, Baden-Württemberg, Germany