Aerial View South–North Water Transfer Project南水北调引江济汉工程

the largest and longest water transfer project in the world:
https://en.wikipedia.org/wiki/South%E2%80%93North_Water_Transfer_Project
引江济汉工程是南水北调的一部分，从长江补水到汉江，弥补汉江因南水北调的水位下降：
http://baike.baidu.com/item/%E5%BC%95%E6%B1%9F%E6%B5%8E%E6%B1%89%E5%B7%A5%E7%A8%8B

Видео Aerial View South–North Water Transfer Project南水北调引江济汉工程 канала Chinese bridge