A passenger scans a QR code to get a free face mask from a mask dispenser at the Machang metro station in Changsha, central China's Hunan Province, Aug. 2, 2021. To contain the latest COVID-19 resurgence, Changsha Metro Group has strengthened epidemic prevention and control measures to ensure passengers a safe journey, with increasing the disinfection frequency of public contact facilities and implementing stricter anti-epidemic measures including mask-wearing, temperature measurement and health-code verification. Isolation areas are set for people with high body temperature, and passengers also have access to antibacterial gel and mask dispensers. (Xinhua/Chen Zeguo)
