Budapest, Budapest, Hungary
Groningen, Groningen, The Netherlands
Madrid, Madrid, Spain
Berlin
Esztergom, Komárom-Esztergom, Hungary
Szeged, Csongrád, Hungary
Istanbul, Istanbul, Turkey
Bicske, Fejér, Hungary
Rome, Lazio, Italy
Treviso, Veneto, Italy
Sonderborg, Region of Southern Denmark, Denmark