Photo taken on Aug 26, 2020 shows staff members cleaning tables in a canteen at Jiangbei High School, Beibei district of Southwest China's Chongqing municipality. The school has stepped up epidemic prevention and control measures ahead of the new semester. [Photo/Xinhua]
Photo taken on Aug 26, 2020 shows a staff member placing signs at Jiangbei High School, Beibei district of Southwest China's Chongqing municipality. [Photo/Xinhua]
Photo taken on Aug 26, 2020 shows a staff member setting up barricades at Jiangbei High School, Beibei district of Southwest China's Chongqing municipality. [Photo/Xinhua]
