A paratrooper assigned to a special operations brigade of the PLA Army practices proper free fall technique at a vertical wind tunnel facility during a training course organized by the PLA Army Special Operations Academy in south China's Guangxi Zhuang Autonomous Region on December 13, 2018. (eng.chinamil.com.cn/Photo by Sun Xiaopeng, Xu Chunlong and Cai Fu)
Source:China Military Online