Mainz, Rhineland-Palatinate, Germany
Bielefeld, North Rhine-Westphalia, Germany
İzmir, Turkey
Enschede, Overijssel, Netherlands
Bochum, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany
Giessen, Hesse, Germany
Perth, Western Australia, Australia
Barcelona, Catalonia, Spain
Tampines New Town, Singapore
