This photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
A worker operates a machine at the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province, Feb. 18, 2023. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
This aerial photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
This aerial photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
This aerial photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
This photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua
This photo taken on Feb. 18, 2023 shows the construction site of an underground water-transfer tunnel in Danjiangkou, central China's Hubei Province. Started construction on Saturday, the tunnel is the main part of a project to channel water from the Three Gorges Reservoir area to the Hanjiang River, a tributary of the Yangtze River. Photo: Xinhua