Essen, North Rhine-Westphalia, Germany
Freiburg, Baden-Württemberg, Germany
Madison, Wisconsin, United States
Duesseldorf, North Rhine-Westphalia, Germany
Basque Country, Spain
Sydney, New South Wales, Australia
Tallinn, Harju county, Estonia
Stuttgart, Baden-Württemberg, Germany
Duisburg, North Rhine-Westphalia, Germany
Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
Dortmund, Nordrhein-Westfalen, Germany
