Sofia, Sofia, Bulgaria
Sibiu, Sibiu, Romania
Bucharest, Bucharest, Romania
Kharkiv Oblast, Ukraine
Abruzzo, Italy
Wrocław, Lower Silesian Voivodeship, Poland
Cluj-Napoca (Kolozsvár), Cluj, Romania
Moscow, Moscow, Russian Federation
Warszawa, Poland
Antalya, Turkey
Luxembourg, Luxembourg
Utrecht, Utrecht, Netherlands
