Groningen, Groningen, Netherlands
Nagano, Nagano Prefecture, Japan
Bayside, CA, USA
Villasor, Sardinia, Italy
Trieste, Friuli-Venezia Giulia, Italy
Südlohn, North Rhine-Westphalia, Germany
Okinawa Prefecture, Japan
Ljubljana, Osrednjeslovenska, Slovenia
Fagnano Olona, Lombardy, Italy
Zaragoza, Aragon, Spain
Osaka, Osaka Prefecture, Japan
