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Photo taken on June 5, 2019 shows a scene of global celebrations for the World Environment Day in Hangzhou, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)
Photo taken on June 5, 2019 shows a scene of global celebrations for the World Environment Day in Hangzhou, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)