. "Sister City Society" . . "Sister Cities Society" . . "sister-city partnership" . "Sister Cities International" . "SCI" . . "Sister City" . "501(c)(3) nonprofit organization" . . . . "sister cities" . . "States,counties,cities" . "Sister Cities Program" . "Sister Cities" . . . "To create and strengthen partnerships between communities in other countries" . "Connect Globally. Thrive Locally." . . . . "Sister Cities International" . . . . . "Sister Cities Association" . "Sino-African Initiative" . .