Czech Republic ‧ City of Brno, South Moravian Region
French Republic ‧ Paris
Czech Republic
Republic of India
Japan ‧ Miyazaki Prefecture
Republic of Poland
Japan ‧ Chiba Prefecture
Commonwealth of Australia ‧ City of Logan, Queensland
Japan
Japan ‧ Tsukubamirai City, Ibaraki Prefecture
United States ‧ City of Irvine, Orange County, California
Japan ‧ Osaka Prefecture
Republic of Korea
Japan ‧ Kaga City, Ishikawa Prefecture
Republic of Finland
Japan ‧ Miyagi Prefecture