Children participate in drill of fire emergency in China's Hebei across China

A fire fighter introduces fire-fighting equipments to pupils from Chengguan No.1 Primary School in Yuqing County of Zunyi City, southwest China's Guizhou Province, Aug. 27, 2018. Pupils from Chengguan No. 1 Primary School learnt knowledge of fire-fighting at the first day of the new semester. (Xinhua/He Chunyu)