A helicopter attached to an aviation search and rescue regiment of the air force under the PLA Western Theater Command patrols the snow-covered border area in western China on September 23, 2018. (eng.chinamil.com.cn/Photo by Liu Yinghua)
A helicopter attached to an aviation search and rescue regiment of the air force under the PLA Western Theater Command patrols the snow-covered border area in western China on September 23, 2018. (eng.chinamil.com.cn/Photo by Liu Yinghua)