What is Zhang Chengzhi's Hanjiazhai about?

Zhang Chengzhi's Hanjiazhai is an article describing what the author saw and felt when traveling in the boundless wilderness and passing through Hanjiazhai. The article describes the unique scenery of the northwest, including the endless prospect such as the majestic Tianshan Mountains, the hollow mountains and valleys, the Aiding Lake at the bottom of Turpan Basin and the three vast and empty Gobi Desert, and the close-up view such as the rocks are crisp red stones, the soil is reddish scorched earth, the barren mountains without vegetation are like iron ballast piles, and Hanjiazhai is just a few mud houses, with only the windows on the roof of the mud houses exposed, and the illusion such as wind erosion is as clear as a knife cut.

the article also shows the rich spiritual activities of travelers by describing the dry and monotonous natural scenery in the northwest and the hardships of traveling alone. The article collides with noise in the dead silence and explores the spiritual spring from the dry place. While describing these scenes, Zhang Chengzhi also expressed his love and awe for the northwest.