Brussels, Brussels-Capital Region, Belgium
Duisburg, North Rhine-Westphalia, Germany
Paris, Île-de-France, France
Brno, South Moravian Region, Czech Republic
Mülheim, North Rhine-Westphalia, Germany
Magdeburg, Saxen Anhalt, Germany
Essen, North Rhine-Westphalia, Germany
Berlin, Germany
Köln, Nordrhein-Westfalen, Germany
Muelheim an der Ruhr, North Rhine-Westphalia, Germany
Patras, Western Greece, Greece
Leipzig, Saxony, Germany
