Pupils learn traffic knowledge from a police at Dongzhongshi Experimental Primary School in Suzhou, East China's Jiangsu province, March 26, 2018, China's national safety education day for middle and primary school students.[Photo/Xinhua]

Pupils learn safety knowledge at Miuzhuang Primary School in Qinhuangdao, a port city in North China's Hebei province, March 26, 2018.[Photo/Xinhua]

Pupils take part in a game for traffic safety signs at Nonglinlu Primary School in Handan, North China's Hebei province, March 26, 2018.[Photo/Xinhua]

Pupils learn emergency rescue method under the guidance of a school doctor at Tongshunjie Primary School in Hohhot, capital of North China's Inner Mongolia autonomous region, March 26, 2018.[Photo/Xinhua]

Students take part in a firefighting drill at Renminlu School in Yuncheng City, North China's Shanxi province, March 26, 2018.[Photo/Xinhua]

A pupil experiences firefighting equipment at Longteng Primary School in Shijiazhuang, capital of North China's Hebei province, March 26, 2018.[Photo/Xinhua]