On Augst 10, hundreds of engineering machines were working at the construction site of Madao Junction of Pinglu Canal in Lingshan County, Qingzhou, south China"s Guangxi Zhuang Autonomous Region.

With 3-tier water-saving chambers, Madao Junction is the world's largest inland water-saving ship lock.

Once completed, it is expected to save water about 1.15 cubic meters for 10 million homes a year, around 60 percent of water compared to a typical ship lock.

The Pinglu Canal will be put into operation by the end of 2026.