Aachen, North Rhine-Westphalia, Germany
Köln, Nordrhein-Westfalen, Germany
Barcelona, Catalonia, Spain
Eindhoven, North Brabant, Netherlands
Frankfurt, Hesse, Germany
Bogotá, Bogota, Colombia
Guadalajara, Jalisco, Mexico
Medellín, Antioquia, Colombia
SAN FRANCISCO, CA, USA
Aachen, Nordrhein-Westfalen, Germany