Berlin, Berlin, Germany
Curitiba, Paraná, Brazil
Sofia, Sofia, Bulgaria
Vologda, Vologda, Russia
Geelong, Victoria, Australia
Toronto, Ontario, Canada
Nizhniy Novgorod, Nizhny Novgorod Oblast, Russian Federation
Cluj-Napoca, Cluj, Romania
Sofia, Sofia-city, Bulgaria
Vancouver, British Columbia, Canada
Ljubljana, Osrednjeslovenska, Slovenia