Write a short 40-character Shiyu.

The bridge stands quietly above the current, as if the mother of my hometown had been watching the wanderer's way home. Boundless homesickness, like "yellow rain", has wet my heart.

Good at association and reasonable imagination, pay attention to the requirements of the topic: choose one of the two images (objects), not the other; The theme is "Missing"; At least one rhetorical device; More than 40 words Scoring standard: 2 points for correct use of figures of speech, 2 points for reasonable and coherent use of two images, and 2 points for clear theme and vivid language.