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Aerial photo taken on Dec. 13, 2019 shows the Yanggongdi causeway at the West Lake scenic area in Hangzhou, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)
Aerial photo taken on Dec. 13, 2019 shows the Yanggongdi causeway at the West Lake scenic area in Hangzhou, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)