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Qinghai-Tibet Plateau still one of cleanest regions on earth
Environment
The Qinghai-Tibet Plateau, which covers over one-fourth of China's land area, is still one of the cleanest regions on earth, said a white paper issued by the Chinese government Wednesday.
Xinhua丨Updated: July 19, 2018
Photo taken on June 21, 2017 shows the scenery in Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province. [Photo/Xinhua]