Japan ‧ Japan
United States ‧ City of Long Beach, Los Angeles County, California
Japan ‧ Miyazaki Prefecture
United States ‧ Collin County, Texas
United States ‧ New Mexico
Japan ‧ Kagawa Prefecture
Republic of Korea ‧ Gumi City, North Gyeongsang Province
United States ‧ City of Fremont, Alameda County, California
Federal Republic of Germany ‧ Federal Republic of Germany
State of Israel ‧ Ramat-Gan
Republic of Korea ‧ Seoul
Japan ‧ Choshi City, Chiba Prefecture
Japan ‧ Chiba Prefecture
Czech Republic ‧ Brno
Japan ‧ Narita City, Chiba Prefecture