Chinese Premier Li Keqiang, also a member of the Standing Committee of the Political Bureau of the Communist Party of China (CPC) Central Committee, visits workers at a construction site of Guiyang Metro system in Guiyang, capital of southwest China's Guizhou Province, Feb. 14, 2015. Li made a tour in Qiandongnan Miao and Dong Autonomous Perfecture and Guiyang in Guizhou on Feb. 13 - 15, and extended festival greetings to locals and people of all ethnic groups ahead of the Spring Festival, which falls on Feb. 19. [Photo/Xinhua]