Stock Photo - (200511) -- ZHENGZHOU, May 11, 2020 (Xinhua) -- Pupils of five grade attend class at Weiyilu Primary School in Zhengzhou, central China's Henan Province, May 11, 2020. Zhengzhou on Monday resumed class at primary schools. (Xinhua/Zhu Xiang) (Photo by Xinhua/Sipa USA).

Stock Photo: (200511) -- ZHENGZHOU, May 11, 2020 (Xinhua) -- Pupils of five grade attend class at Weiyilu Primary School in Zhengzhou, central China's Henan Province, May 11.