Prompt: In the cold winter of Xi'an, snow falls, and the city is veiled in a silvery-white snow curtain. Li Xuan, a young man from the South, wearing thick winter clothes, steps into this ancient and mysterious city. This scene adopts a Realist painting style, presenting the chill of the unfamiliar city and the flurry of snow with clear lines and cold tones.

Negative: malformed limbs, poorly drawn, poorly drawn hands, mutilated, more than 2 thighs, more than 2 breasts, unclear eyes, missing legs, deformed, fused fingers, missing fingers, poorly drawn face, extra legs, bad face, long body, mutated hand and finger, lowers, mutation poorly drawn, three legs, cloned face, malformed mutated, bad anatomy disfigured malformed mutated, bad proportions, signature, fewer digits, duplicate, worstquality, artist name, low quality, worst quality, Humpbacked, bad hands, cropped, normal quality, ugly, mutated hands, extra limbs, too many fingers, missing limb, morbid, missing arms, three arms, Missing limbs, blurry, lowres, watermark, artifacts