Lake Michigan, USA, in a classic retro travel ポスター

Travel poster featuring Lake Michigan, USA, in a classic retro travel-poster style. Central focus on sweeping sandy dunes and a classic red lighthouse along the shoreline, with sailboats gliding across the vast blue waters under a bright Midwestern sky. Gentle waves meet golden beaches while distant city skylines and forested shores hint at the vibrant lakeside culture. Warm summer sunlight creates a fresh and inviting coastal atmosphere. Vibrant color palette of deep lake blue, sandy gold dunes, lighthouse red, and bright sky blue. Clean graphic illustration with subtle vintage grain texture. Bold vintage typography headline: “LAKE MICHIGAN – AMERICA’S FRESHWATER COAST”. Vertical 2:3 layout, high-resolution, print-ready.