Akita, Akita Prefecture, Japan
Espoo, Uusimaa, Finland
Freiburg, Baden-Württemberg, Germany
Helsinki, Finland
Bologna, Emilia-Romagna, Italy
Potsdam, Berlin, Germany
State of Rio Grande do Sul, Brazil
Vienna, Vienna, Austria
Lisbon, Portugal
Helsinki, Uusimaa, Finland
Ikeda city, Osaka Prefecture, Japan
Teresina, State of Piauí, Brazil
