This photo taken on September 15 shows the entrance of the Yellow River Crossing Project, in Zhengzhou, Henan Province. It is an essential part of the South-North Water Diversion Project, serving the role of transporting water from the south bank of the Yellow River across to its north bank. (Photos: Xinhua)

A drone photo taken on September 15 shows two inspectors collecting samples to monitor the water quality at the open channel on the south bank of the Yellow River Crossing Project in Zhengzhou, Henan Province. The crossing project is an essential part of the South-North Water Diversion Project, transporting water from the south bank of the Yellow River across to its north bank.

A drone photo taken on September 13 shows the north bank exit of the Yellow River Crossing Project in Jiaozuo, Henan Province. The crossing project is an essential part of the South-North Water Diversion Project, transporting water from the south bank. (Compiled by Shi Yuanhao)