Korea |
Bueyo-gun, Chungcheongnam-do |
 |
Nov. 20, 2008 |
Japan |
Usa, Oita Prefecture (大分縣 宇佐市) |
 |
Jul. 03, 1992 |
Japan |
Nikko, Tochigi Prefecture (枋木縣 日光市) |
 |
Nov. 11, 2009 |
China |
Yangzhou, Jiangsu Province (江蘇省 揚州市) |
 |
Nov. 24, 2008 |
*China |
Jiaozuo, Henan Province (河南省 焦作市) |
|
Nov. 05, 2012 |
*Uzbekistan |
Samarkand |
 |
Aug. 02, 2013 |
Iran |
Isfahan |
 |
Aug. 20, 2013 |
*China |
Yichang, Hubei Province (湖北省 宜昌市) |
|
Oct. 16, 2013 |
China |
Chengde, Hebei Province (河北省 承德市) |
|
Oct. 20, 2015 |
Peru |
Arequipa |
|
Nov. 05, 2015 |