Wuppertal, North Rhine-Westphalia, Germany
Kingsford, New South Wales, Australia
Mülheim an der Ruhr, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany
Bonn, North Rhine-Westphalia, Germany
Heemskerk, Noord-Holland, Netherlands
Surabaya, East Java, Indonesia
Stuttgart, Baden-Wuerttemberg, Germany
Copenhagen, Capital Region of Denmark, Denmark
Duisburg, Nordrhein-Westfalen, Germany
Nijmegen, Gelderland, Netherlands
