A glimpse of Danjiangkou Reservoir in Xichuan county, central China's Henan province. It's one of the water sources of the central route of China's south-to-north water diversion project.
This is the aerial view of two tunnels under the Yellow River on the central route of the South-to-North Water Diversion Project in Zhengzhou City, Henan Province.
Over 70 percent of Beijing's tap water is channelled from the country's southern regions.
Chinese water resource officials say the South-to-North Water Transfer Project has significantly relieved the water crisis for the parched northern part of the country.
Routing water from China's south to quench the thirst of the country's north -- China's Water Diversion Project is one of the world's most ambitious and controversial engineering tasks.
The South to North Water Diversion Project in China is the largest of its kind ever undertaken.