BOAO, Hainan, April 10 (Xinhua) -- The opening ceremony of the Boao Forum for Asia (BFA) annual conference started Tuesday morning. Chinese President Xi Jinping will deliver a keynote speech.

The conference runs from April 8 to 11 in Boao, a town in south China's island province of Hainan, and is themed "An Open and Innovative Asia for a World of Greater Prosperity."