Shanghai, Shanghai, China
Antwerp, Antwerp, Belgium
Vancouver, British Columbia, Canada
Bishkek, Kyrgyzstan
Oradea, Bihor County, Romania
Thessaloniki, Central Macedonia, Greece
Warsaw, Mazovia, Poland
Wroclaw, Lower Silesia, Poland
Helsinki, Uusimaa, Finland
Gdansk, Pomerania, Poland
Cambridge, MA, USA