Warsaw, Masovian Voivodeship, Poland
Moscow, Moscow, Russian Federation
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Kiev
Dnipro, Dnipropetrovsk Oblast, Ukraine
Köln, Nordrhein-Westfalen, Germany
Manizales, Caldas, Colombia
Bangkok, Bangkok, Thailand
Freiburg, Baden-Württemberg, Germany
Chelyabinsk, Chelyabinsk Oblast, Russian Federation
Karlsruhe, Baden-Württemberg, Germany