Liu Yunshan (C), a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee and secretary of the Secretariat of the CPC Central Committee, attends a symposium with scientists and experts in other fields who are enjoying a state-sponsored summer vacation at Beidaihe, a coastal resort in north China's Hebei Province, Aug. 6, 2014. Entrusted by President Xi Jinping, Liu extended greetings and good wishes to the experts at the symposium. (Xinhua/Liu Weibing)