Li Zhanshu, a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee and chairman of the National People's Congress Standing Committee, visits a villager's home at Huyu Village of Ruili City of Dai-Jingpo Autonomous Prefecture of Dehong, southwest China's Yunnan Province, Nov. 30, 2018. Li made a research on how to better make a law on basic medical care and health promotion during his four-day tour to Yunnan Province. (Xinhua/Shen Hong)