Potsdam, Brandenburg, Germany
Sydney, New South Wales, Australia
Stuttgart, Baden-Wuerttemberg, Germany
Heidelberg, Baden-Württemberg, Germany
Dublin, Dublin, Ireland (Republic of)
Bielefeld, North Rhine-Westphalia, Germany
Hamburg, Hamburg, Germany
San Francisco, California, United States
Riga, Latvia
Round Rock, TX, USA
New York, NY, USA
Zürich, Zurich, Switzerland