2月18日,北部战区陆军某边防兴凯湖驻勤官兵进行战备巡逻执勤。
Soldiers assigned to a frontier defense sentry post under the PLA Northern Theater Command maneuver snowmobiles to patrol the icy Khanka Lake in northeastern China's Heilongjiang Province on February 18, 2018. (eng.chinamil.com.cn/Photo by Sun Xinmin)