Republic of Korea ‧ Busan Metropolitan City
Malaysia ‧ Penang
Republic of South Africa
Japan
Japan ‧ Kagawa Prefecture
United States ‧ Washington, D.C.
State of Israel ‧ Ramat-Gan
United States ‧ City of Newark, Essex County, New Jersey
United States ‧ Los Angeles County, California
Czech Republic ‧ Brno
United States ‧ City of Cockrell Hill, Dallas County, Texas
Japan ‧ Narita City, Chiba Prefecture
Kingdom of the Netherlands ‧ Utrecht
Japan ‧ Miyazaki Prefecture
French Republic