Changsha twins with Leeuwarden as sister cities
Changsha to cement sister city deal with Iceland's Olfus
Changsha and Olfus, Iceland, signed the Letter of Intent for establishing sister city relationship.
San Francisco, officially the City and County of San Francisco, is the cultural center and a leading financial hub of the San Francisco Bay Area and Northern California.
Victoria is the capital city of British Columbia, Canada and is located on the southern tip of Vancouver Island off Canada's Pacific coast
Annapolis is the capital of the U.S. state of Maryland, as well as the county seat of Anne Arundel County.