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Ban Ki-moon, chairman of the Boao Forum for Asia (BFA) Board of Directors, speaks at the BFA Board of Directors Meeting in Boao, south China's Hainan Province, March 28, 2019. (Xinhua/Hou Dongtao)
Ban Ki-moon, chairman of the Boao Forum for Asia (BFA) Board of Directors, speaks at the BFA Board of Directors Meeting in Boao, south China's Hainan Province, March 28, 2019. (Xinhua/Hou Dongtao)