HEIHE, CHINA - JANUARY 28: (CHINA OUT) <br /> <br /> Frontier Soldiers Attend Long-distance Endurance Training<br /> <br /> Frontier soldiers attend a long-distance endurance training under the temperature of minus 26 degree celsius on January 28, 2015 in Heihe, Heilongjiang province of China. The purpose of this long-distance endurance training is to improve the frontier soldier's ability of completing task under extreme weather condition.<br /> ©Exclusivepix Media
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