Main subject: A hand holding a paintbrush, presenting a 3D hand-drawn style landscape of Moscow landmarks. Scene: White flat background, the brush is drawing flowing ribbon patterns of Russian flag colors, landmark buildings embedded in the colored brushstrokes. Style: Ultra-realistic creative composite style, combining hand-drawn and 3D paper-cut textures, with both artistic painting and landscape expression features. Color tone: White base, integrating blue, white, red colors of the Russian flag, paired with rich decorative colors of buildings such as red, green, gold, blue. Lighting: Soft natural flat light source, highlighting the layered details of 3D elements, the overall image is bright and clear. Composition: The main subject of the image is arranged in an S-curve layout, the landmark landscape is embedded in the curve, the hand holding the brush is at the bottom right, the visual focus is concentrated on the curved landscape area. Use: Can be used as a creative urban promotional poster, highlighting the artistic landmark features of the city.