Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)

Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)

Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)

Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)

Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)

Soldiers of the forest brigade of the armed police in Jilin city, northeast China's Jilin province take part in a forest-fire prevention drill in January, 2020.(Photo: China News Service/Tang Jiachuang/ Zhang Hao/ Zhang Shiwei)