Chinese President Hu Jintao (2nd L), Director-General of the World Trade Organization (WTO) Pascal Lamy (1st L), Secretary-General of United Nations Conference on Trade and Development Supachai Panitchpakdi (3rd L) and Chinese Vice Premier Wang Qishan (4th L) arrive for the high level forum on the 10th anniversary of China's accession to the WTO in Beijing, capital of China, Dec. 11, 2011. [Xinhua photo]