Tomsk, Tomskaya oblast', Russian Federation
Cairo, Egypt
St.Petersburg, Russian Federation
Tuebingen, Germany
Kingston, Australian Capital Territory, Australia
Irkutsk Oblast, Russian Federation
Angers, Maine-et-Loire, France
Tomsk, Tomsk Oblast, Russian Federation
Jablonec nad Nisou, Liberecký kraj, Czechia
Shenzhen
Hamilton, New South Wales, Australia
Hannover, Niedersachsen, Germany