A bird rests on a flowering tree at the Wulingyuan scenic area in Zhangjiajie City, central China's Hunan Province, March 21, 2018. (Xinhua/Wu Yongbing)
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A bird rests on a flowering tree at the Wulingyuan scenic area in Zhangjiajie City, central China's Hunan Province, March 21, 2018. (Xinhua/Wu Yongbing)
