Warsaw, Masovian Voivodeship, Poland
Barcelona, Catalonia, Spain
Łódź, Łódź Voivodeship, Poland
Espoo, Finland
Trento, Trentino-Alto Adige/South Tyrol, Italy
Jyväskylä, Central Finland, Finland
Montréal, Québec, Canada
Griesheim, Hesse, Germany
Erlangen, Germany
Helsinki, Uusimaa, Finland
