"The fog locks the river, and the bridge studio enters the painting screen. Twilight is inseparable, and the foggy city of Chongqing is like a fairyland. " By describing the dense fog in Chongqing, the hazy beauty of bridge shadows and terraces in the fog, and the difficulty in distinguishing dusk from dusk, the mystery and beauty of Chongqing's foggy city are displayed. The last sentence directly compares Chongqing to a fairyland, expressing the author's admiration for Chongqing. Quatrains are a form of China's classical poems. The quatrains are characterized by four sentences each, ranging from five words to seven words.