Stuttgart, Baden-Württemberg, Germany
Krasnoyarsk, Krasnoyarsk Region, Russia
Frankfurt am Main, Hessen, Germany
Chengdu Shi, Sichuan Sheng, China
Hamburg, Hamburg, Germany
Moscow, Moscow City, Russian Federation
Sumy, Sums'ka oblast, Ukraine
Prague, Prague, Czechia
Boeblingen, Baden-Wuerttemberg, Germany
Kesswil, Thurgau, Switzerland
Moscow, Moscow, Russian Federation
