Madrid, Community of Madrid, Spain
Mexico City, Mexico
Eindhoven, Noord-Brabant, Netherlands
Krefeld, Nordrhein-Westfalen, Germany
Heidelberg, Baden-Württemberg, Germany
Cologne, North Rhine-Westphalia, Germany
Siemensstadt, Berlin, Germany
Le Cap, South Africa
Berlin, Berlin, Germany
Montluçon, Auvergne-Rhône-Alpes, France
Amsterdam, North Holland, Netherlands
Marburg, Hesse, Germany
