Soldiers of a frontier defense battalion participate in three-day training on a plateau with average altitude of around 4,200 meters in Southwest China's Tibet autonomous region on November 22, 2016. (Photo provided to China News Service)
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Soldiers of a frontier defense battalion participate in three-day training on a plateau with average altitude of around 4,200 meters in Southwest China's Tibet autonomous region on November 22, 2016. (Photo provided to China News Service)
