Overexploitation of sand erodes hills of C 皇冠体育app
(chinadaily.com.cn) Updated: 2013-01-22 16:40
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A yellow stream formed by used water drained by sand plants in Ningxiang county of Changsha city, Central 皇冠体育app's Hunan province, Jan 20, 2013. [Photo by Xiangyou/CFP] |
