A soldier in protective suits takes the soil and water sample in the blast area and the explosion pit to evaluate the harmful substances, on March 21st, 2019, providing first-hand data for the next rescue work. He is assigned to the engineer and anti-chemical detachment under the Armed Police Force（APF）in east China's Jiangsu Province. The PAPF detachments took part in the disaster relief operations of the chemical plant blast in Yancheng City on March 21st, busy scrutinizing the damaged chemical plants for possible toxic substance leaks and assisting relevant departments in cleaning up the site. (eng.chinamil.com.cn/Photo by Cui Yongle and Chen Jingxiong)