Michele Geraci, undersecretary of state of the Italian Ministry of Economic Development, speaks at the session of "Global Economic Outlook 2019: Certainties and Uncertainties" during the Boao Forum for Asia annual conference in Boao, south China's Hainan Province, March 26, 2019. (Xinhua/Guo Cheng) 

The Boao Forum for Asia (BFA) annual conference opens in Boao, south China's Hainan Province, March 28, 2019. (Xinhua/Hou Dongtao)

Photo taken on Oct. 10, 2016 shows the Qianhai Shenzhen-Hong Kong Youth Innovation and Entrepreneur Hub in Shenzhen, south China's Guangdong Province. (Xinhua/Mao Siqian)