Retro poster art of seaside boardwalk

" A detailed isometric or aerial view of [a seaside boardwalk], in the style of retro travel poster art. Soft pastel color palette, subtle linework, textured paper grain, vintage shading. Summer mood, sunlit atmosphere, warm tones, clean layout with artistic composition. Emphasis on scenery and small human figures for scale. Stylized yet realistic.Ratio[2:3] "