Hamburg, Hamburg, Germany
Washington, DC, USA
Wermatswil, Zürich, Switzerland
Trondheim, Sor-Trondelag, Norway
Mainz, Rheinland-Pfalz, Germany
Dresden, Saxony, Germany
Madrid, Community of Madrid, Spain
Sydney, New South Wales, Australia
Bogotá, Bogotá, Colombia
Münster, North Rhine-Westphalia, Germany
