A community worker (R) measures the body temperature of the delivery man Zhang Deqing at the entrance of Keyu community of Haidian Districtin Beijing, capital of China, Feb. 27, 2020. Communities such as Keyu and Kechun in Zhongguancun area of Haidian District have signed relevant agreements with several express delivery companies such as SF Express, YTO Express and ZTO Express. The agreements allow delivery men to work inside communities, with sufficient epidemic prevention measures, to ensure that residents enjoy delivery services. (Xinhua/Ren Chao)