Scenery of canyon on Yellow River in Henan

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Xing Guangli)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Xing Guangli)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Li Jianan)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Xing Guangli)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Hao Yuan)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Li Jianan)

This aerial panoramic photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Hao Yuan)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Xing Guangli)

Tourists enjoy the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province, Oct. 8, 2023. (Xinhua/Wang Jingyi)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Hao Yuan)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Hao Yuan)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Xing Guangli)

This aerial photo taken on Oct. 8, 2023 shows the scenery of a canyon located upstream of Xiaolangdi water conservancy project on the Yellow River in Jiyuan City, central China's Henan Province. (Xinhua/Hao Yuan)