Barcelona, Catalunya, Spain
Kitakyushu, Fukuoka Prefecture, Japan
Warszawa, mazowieckie, Poland
Poznań, wielkopolskie, Poland
Opole, Opole Voivodeship, Poland
Wrocław, Lower Silesian Voivodeship, Poland
Warsaw, Mazovia, Poland
Gdańsk, pomorskie, Poland
Azumino-shi, Nagano-ken, Japan