What is an ancient poem with mountains and heavy waters and no road to doubt?

The whole poem "In Lusu" means:

The sunset slowly sinks beside the western hills, and the Yellow River rushes to the East China Sea. If you want to see the scenery of Wan Li, you must climb a higher tower.

The whole poem in Heron Hostel:

Author Wang Zhihuan? the Tang Dynasty

The sun sets slowly near the western hills, and the Yellow River flows into the East China Sea.

By going up one flight of stairs, look further.

Stork Tower, also known as Stork Tower, is named after its former site in the southwest of Zhou Pu (now Yongji County, a house in the river in the Tang Dynasty) in Shaanxi Province, and storks sometimes inhabit it. Shen Kuo wrote in Meng Qian's Bi Tan: "The mirage in the middle of the river has three floors, with a far-sighted view and a bird's eye view of the river.