Central route of water diversion project conveys over 20B cubic meters
China.org.cn丨Updated: February 21, 2019
A worker collects water from the Caohe aqueduct to examine the water quality in northern China's Hebei province. The Caohe aqueduct, 2,300 meters in length, is a control project for the central route of the South-to-North Water Diversion Project. [Photo/Chinanews.com]
