中文幕亚洲精品乱码色偷偷亚_国产午夜性爽视频男人的天堂_欧美高潮流白浆喷水在线观看_亚洲夜色久一久二亚洲琪琪卡一卡二_暖暖亚洲一区二区三区AV无码

Eco-systems in upper reaches of Yangtze River protected in China's Sichuan

Source: Xinhua| 2018-05-03 20:43:50|Editor: ZD
Video PlayerClose

CHINA-SICHUAN-YANGTZE RIVER-ENVIRONMENT (CN)

This aerial photo taken on August 18, 2017 shows forests in Wolong National Nature Reserve in southwest China's Sichuan Province. In recent years, authorities in Sichuan have carried out a series of ecological projects to protect eco-systems in the upper reaches of the Yangtze River. (Xinhua/Xue Yubin)

   Prev 1 2 3 4 5 6 Next  

KEY WORDS: eco-system
EXPLORE XINHUANET
010020070750000000000000011100001371539561