Xi'an, Shaanxi, China
Saint Petersburg, Saint Petersburg, Russian Federation
Tbilisi, Georgia
Sik, Kedah, Malaysia
Kassel, Hessen, Germany
Kazan, Tatarstan, Russian Federation
Mannheim, Baden-Württemberg, Germany
La Plata, Buenos Aires Province, Argentina
Kazan, Respublika Tatarstan, Russian Federation
Berlin, North Rhine-Westphalia, Germany