Zhou Wenzhong, secretary-general of the Boao Forum for Asia (BFA), presides over the opening ceremony of the BFA Annual Conference 2013 in Boao, south China's Hainan Province, April 7, 2013. (Xinhua/Wang Ye)

 Attendees listen at the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2013 in Boao, south China's Hainan Province, April 7, 2013. (Xinhua/Guo Cheng)

The Boao Forum for Asia (BFA) Annual Conference 2013 kicks off in Boao, south China's Hainan Province, April 7, 2013. (Xinhua/Jin Liwang)

The Boao Forum for Asia (BFA) Annual Conference 2013 kicks off in Boao, south China's Hainan Province, April 7, 2013. (Xinhua/Guo Cheng)