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

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A fire fighter teaches a pupil from Chengguan No.1 Primary School to use extinguisher 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)