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Photo taken on Nov. 19, 2016 shows lake and lawn on a high mountain in Shangri-la City of Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan Province. (Xinhua/Hu Chao)
Xinhua Headlines: Qinghai-Tibet Plateau still one of cleanest regions on earth
Source: Xinhua| 2018-07-18 20:42:51|Editor: Xiang Bo
