Banja Luka, Republika Srpska, Bosnia and Herzegovina
Madrid, Community of Madrid, Spain
Reykjavik, Iceland, Iceland
Hangzhou, Zhejiang, China
dublin, dublin, Ireland
Liepaja, Liepaja, Latvia
Padua, Veneto, Italy
Bucheon-si, Gyeonggi-do, Korea, Republic of
Hiroshima Prefecture, Japan
