Jia Qinglin, a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee and chairman of the National Committee of the Chinese People's Political Consultative Conference, and Zhou Yongkang, a member of the Standing Committee of the Political Bureau of the CPC Central Committee and head of the Central Political Science and Law Commission (CPSLC) of the CPC, greet performers at a gala to celebrate the 50th anniversary of the emancipation of Tibetan serfs in Beijing, capital of China, March 28, 2009.