Konigsberg, Kaliningradskaya oblast', Russian Federation
Riga, Riga, Latvia
Mannheim, Baden-Württemberg, Germany
kiel, Schleswig-Holstein, Germany
Thalwil, Switzerland
Jönköping, Jonkoping, Sweden
Köln, Nordrhein-Westfalen, Germany
Esslingen, Baden-Württemberg, Germany
Hannover, Lower Saxony, Germany
Leipzig, Saxony, Germany
Helsinki, Finland
Bogor, West Java, Indonesia