Sankt-Peterburg, Saint Petersburg, Russian Federation
Ulan-Ude, Buryatia, Russian Federation
Barcelona, Catalonia, Spain
Maladzyechna, Minsk Region, Belarus
Sofia, Bulgaria
Milano, Italy
Seoul, Korea, Republic of
Hefei, Anhui, China
Rio de Janeiro, State of Rio de Janeiro, Brazil
Goyang-si, Gyeonggi-do, South Korea
Chelyabinsk, Chelyabinsk Oblast, Russian Federation
Piedecuesta, santander, Colombia