Photo taken on Aug. 19, 2013 shows the greenbelt at the river valley of Yarlung Zangbo River nearby the Lhasa Gonggar Airport, southwest China's Tibet Autonomous Region. (Photo: Xinhua/Chen Tianhu)
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Photo taken on Aug. 19, 2013 shows the greenbelt at the river valley of Yarlung Zangbo River nearby the Lhasa Gonggar Airport, southwest China's Tibet Autonomous Region. (Photo: Xinhua/Chen Tianhu)