1, adjective: "hazy" is an adjective used to describe the vague state of the scenery and express the author's perceptual cognition of the environment.
2. Rhetoric: In this sentence, the bamboo forest is projected onto the rock wall by metaphor, which makes the scenery more hazy and mysterious.
3. Phonological effect: The pronunciation of the word "hazy" in this sentence is similar, and it has a light and elegant feeling when read, which complements the expressed scene.