Barcelona, Catalunya, Spain
Vladivostok, Primorsky Krai, Russian Federation
Cork, Cork, Ireland
Almaty, Almaty City, Kazakhstan
Tomsk, Tomsk Oblast, Russian Federation
Regensburg, Bavaria, Germany
Campinas, State of São Paulo, Brazil
Jena, Thüringen, Germany
Aktobe, Aktobe region, Kazakhstan
Barcelona, Catalonia, Spain
Moscow, Moscow City, Russian Federation
Astana, Kazakhstan
