A police dog acts in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019. (Photos: Xinhua)
A police dog jumps in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019.
A police dog is trained in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019.
A police dog is trained in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019.
A police dog is trained in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019.
A police dog jumps in a drill in Harbin, northeast China's Heilongjiang Province, May 30, 2019.
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