Timisoara, Timis, Romania
Karagandy, Karagandy Province, Kazakhstan
Olsztyn, Warmian-Masurian Voivodeship, Poland
Bucharest, Bucharest, Romania
Kazan, Tatarstan, Russian Federation
Targu Mures, Mures, Romania
Delft, South Holland, Netherlands
Sibiu, Sibiu, Romania
Bucharest, Romania, Romania
Madrid, Madrid, Spain
Bialystok, Podlaskie Voivodeship, Poland
Ottignies-Louvain-la-Neuve, Wallonie, Belgium