Silver Spring, MD, USA
Győr, Gyõr-Moson-Sopron, Hungary
Essen, North Rhine-Westphalia, Germany
Eindhoven, Netherlands
Budapest, Budapest, Hungary
Menlo Park, CA, USA
Mitte, Berlin, Germany
Riga, Riga, Latvia
Köln, Nordrhein-Westfalen, Germany
Istanbul, Turkey
Warsaw, Mazovia, Poland
