A staff member checks chairs in the main venue of the Boao Forum for Asia (BFA) in Boao Town of Qionghai City, south China's Hainan Province, March 24, 2019. The BFA annual conference will be held in Boao from March 26 to 29 under the theme of "Shared Future, Concerted Action, Common Development." (Xinhua/Yang Guanyu)