Military working dogs run across a single-log bridge obstacle during a training exercise at an APF military working dogs training base in southwest China's Chongqing City. (Photo/eng.chinamil.com.cn)
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Military working dogs run across a single-log bridge obstacle during a training exercise at an APF military working dogs training base in southwest China's Chongqing City. (Photo/eng.chinamil.com.cn)
