PPP Model Brings Clean Nanming River Back —CCTV 2 Economic News

2015-10-30
The water quality of Nanming River Watershed in Guiyang City has been fundamentally improved within three years.



Original video address at cctv.com::http://jingji.cntv.cn/2015/10/28/VIDE1446037917673140.shtml
 
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