Sister cities

Kurume, Japan, May 20, 1980

Freetown, Sierra Leone, March 20, 1984

Bujumbura, Burundi, July 4, 1986

Columbus, Ohio, USA, November 17, 1988

Aalborg, Denmark, April 22, 1989

Lleida, Spain, April 4, 1998

Wonju, ROK, June 20, 2002

Darebin, Australia, October 29, 2003

Belfast, England, December 20, 2003

Osnabrück, Germany, June 5, 2006

Santiago, Chile（Approved）

Seosan, ROK, June 3,2008

Rostock, Germany, May 13, 2010