Top 10 most sustainable cities in China
chinadaily.com.cn |
Updated: 2017-05-04 06:47
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No 7 Weihai
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| A staff member feeds whooper swans in Rongcheng National Nature Reserve in Weihai city, Shandong province, March 7, 2015. With weather turning warm, whooper swans start migrating back after spending the winter in the reserve.[Photo/Xinhua] |
