Siberian tigers chase a drone hovering overhead to take aerial photos at the Siberian Tiger Park in Harbin, capital of northeast China's Heilongjiang Province, Feb. 22, 2017. (Xinhua/Wang Jianwei)
Siberian tigers chase a drone hovering overhead to take aerial photos at the Siberian Tiger Park in Harbin, capital of northeast China's Heilongjiang Province, Feb. 22, 2017. (Xinhua/Wang Jianwei)
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