Strict COVID-19 prevention, control measures taken before class resumption in Guangzhou, S China's Guangdong

A staff member disinfects a classroom of the Guangzhou Nanwu Middle School in Guangzhou City, south China's Guangdong Province, April 25, 2020. Parents of students studying at Guangzhou Nanwu Middle School were invited to learn about the school's prevention and control measures against COVID-19 outbreak on site before class resumption. (Xinhua/Lu Hanxin)