欧美日韩性大香蕉|精品无码成人视频|永久久久久久久久|日韩加勒比偷拍网|婷婷伊人久久蜜桃|亚洲理论中文字幕|中文无码黄色Av|三级一区二区三区|超碰在线精品专区|国语对白一级A片

China / China

Desilting project at Xiaolangdi Reservoir on Yellow River

(chinadaily.com.cn) Updated: 2010-07-05 10:33

Desilting project at Xiaolangdi Reservoir on Yellow River

Spectators observe the desilting process at Xiaolangdi Reservoir on the Yellow River on July 4, 2010. The 10th desilting project of the Yellow River began on June 19 to filter out sand as high flows from upper reaches created a high sediment flow. [Photo/Asianewsphoto]

Previous Page 1 2 3 4 5 6 Next Page

Highlights
Hot Topics

...