Du Liqun (1st L) measures blood pressure for residents during a free diagnosis in Nanning, south China's Guangxi Zhuang Autonomous Region, Nov. 4, 2017. Du Liqun, a delegate to the 19th National Congress of the Communist Party of China (CPC), is a nursing supervisor of AIDS department in the fourth people's hospital of Nanning. Du has worked for fighting against AIDS for more than 10 years and she provided free diagnosis in communities during her weekend. (Xinhua/Huang Yumei)