Main subject: Chinese-style line drawing of Hangzhou city landmark buildings, including modern skyscrapers, Olympic Sports Center Lotus Bowl Stadium, Hangzhou International Conference Center spherical building, traditional Chinese ancient pagoda and classical pavilions. Scene: A winding river runs through the entire画面, white doves with spread wings in the foreground of the image, bird silhouettes dotted in the background, the overall scene shows the blend of ancient and modern urban features. Style: Chinese-style trend line drawing decorative illustration style, combining modern architectural illustrations and traditional Chinese-style meticulous brushwork line elements. Color tone: Overall uses low-saturation tones of warm gold, off-white, light gray, supplemented by warm gold to brighten building outlines and structural details. Lighting: The image uses soft scattered soft light, with warm gold highlights added to building outlines and core landmarks, creating a delicate and warm visual effect. Composition: Uses an S-shaped streamlined composition, arranging urban landmarks along the river curve, guiding the line of sight from far to near, placing birds in the foreground to add layers and dynamism to the image. Use: Suitable for use as urban cultural promotion posters, urban tourism promotion illustrations, Chinese-style theme decorative paintings, visual materials for urban promotional materials.