美女18禁黄无遮挡网站,久久国产乱子精品免费女,日本高清视频网站WWW,岛国av无码免费无禁网站麦芽,久久久一本精品99久久精品66直播

Xinhua Headlines: Qinghai-Tibet Plateau still one of cleanest regions on earth

Source: Xinhua| 2018-07-18 20:42:51|Editor: Xiang Bo
Video PlayerClose

Xinhua Headlines: Qinghai-Tibet Plateau still one of cleanest regions on earth

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)

   Prev 1 2 3 4 5 6 7 8 9 10 Next   >>|

KEY WORDS: Plateau
EXPLORE XINHUANET