A bird is seen at Huanglongdong scenic spot in Zhangjiajie, central China's Hunan Province, March 21, 2018. (Xinhua/Wu Yongbing)
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A bird is seen at Huanglongdong scenic spot in Zhangjiajie, central China's Hunan Province, March 21, 2018. (Xinhua/Wu Yongbing)