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Willow branches germinate at the Zijingshan Park in Zhengzhou, capital of central China's Henan Province, March 14, 2018. (Xinhua/Zhu Xiang)
Willow branches germinate at the Zijingshan Park in Zhengzhou, capital of central China's Henan Province, March 14, 2018. (Xinhua/Zhu Xiang)