a cinematic time-travel animation poster. two ancient chinese girls sitting side-by-side on a wooden boat. the left girl (pale blue dress) holds a black lacquer box. the right girl (purple robe) holds bamboo slips. composition: spatial overlap of ancient and modern times. the upper background is traditional ink-wash misty mountains of the chu state. the lower water surface reflects the modern wuhan yangtze river bridge and glowing city neon lights. the ancient boat is sailing into the modern city. typography: at the top center, the large elegant chinese calligraphy text "江上千年". below it, a smaller text "echoes of the yangtze". art style: 1970s-1980s shanghai animation film studio ink wash and gouache style, traditional mineral pigments, vintage film grain, fantasy time-travel atmosphere. 8k,