Japan ‧ Miyagi Prefecture
Malaysia ‧ Penang
Japan ‧ Yokohama City, Kanagawa Prefecture
Japan ‧ Kagawa Prefecture
Republic of the Marshall Islands
Japan ‧ Narita City, Chiba Prefecture
Japan ‧ Tsukubamirai City, Ibaraki Prefecture
Japan ‧ Ito City, Shizuoka Prefecture
Japan ‧ Miyazaki Prefecture
French Republic
Czech Republic ‧ City of Brno, South Moravian Region
Japan ‧ Eniwa City, Hokkaido
United States ‧ City of Dallas, Dallas County, Texas