The calm Xin'an River flowing like a smooth ribbon surrounds green hills in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua] The 359-kilometer Xin'an River originates at the Yellow Mountain, a UNESCO World Heritage Site, in East China's Anhui province, and extends eastwards to the west of Zhejiang province. Its trajectory has great economic and ecological impacts on both places. In 2011, a cross-provincial ecological preservation mechanism was put in place. From then onwards, Anhui, which lies upstream, has heavily invested and put great efforts towards improving the water quality of the upper reaches and surrounding environment. Eight years on, the water quality of the She county section of Xin'an River, Anhui's Huangshan city, has been improved to and kept at Grade II, the second-highest level in China's five-tier water quality system, meaning it can be used as a drinking water source. Wonderful scenes line the She county reach of Xin'an River. The calm Xin'an River flows like a smooth ribbon through the colorful hills in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua] The calm Xin'an River flows like a smooth ribbon through the colorful hills in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua] Sun sets on the Xin'an River in She county, Huangshan city, East China's Anhui province, on Nov 8, 2019. [Photo by Cheng Hong/Xinhua] Boats leave ripples on the Xin'an River in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua] Xin'an River runs through foggy hills in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua] Xin'an River runs through foggy hills, folk houses and a bridge in She county, Huangshan city, East China's Anhui province, Nov 19, 2019. [Photo/Xinhua]
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