Tallinn, Estonia
Berlin, Berlin, Germany
Warszawa, Masovian Voivodeship, Poland
Wrocław, Lower Silesian Voivodeship, Poland
Ülenurme, Tartu County, Estonia
Istanbul, İstanbul, Turkey
Yekaterinburg, Sverdlovsk Oblast, Russian Federation
Halle, Halle, Germany
Las Vegas, NV, USA
Jena, Germany
Murcia, Region of Murcia, Spain
Katowice, Silesian Voivodeship, Poland