The Boao Forum for Asia (BFA) Annual Conference 2014 is opened in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Zhao Yingquan)

The Boao Forum for Asia (BFA) Annual Conference 2014 is opened in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Guo Cheng)

Journalists work at the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2014 in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Guo Cheng)

Participants listen during the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2014 that opened in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Guo Cheng)

Participants listen during the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2014 that opened in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Guo Cheng)

The Boao Forum for Asia (BFA) Annual Conference 2014 is opened in Boao, south China's Hainan Province, April 10, 2014. (Xinhua/Guo Cheng)