New York, NY, USA
Straelen, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany
helsinki, Finland
Irvine, CA, USA
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Germany
Zittau, Saxony, Germany
Mülheim an der Ruhr, Germany
Toronto, Ontario, Canada
Oakland, CA, United States
Enschede, Overijssel, Netherlands
