Mid-Century Minimalist Travel Poster

Create a vertical mid-century travel poster for city_name featuring landmark. Use a strict 3-color palette: cream paper, black technical linework, and accent_color. Style: Minimalist isometric bird's-eye view with ultra-fine hatching and screen-print texture. Color usage: Solid flat accent_color for the entire sky and small accents on roofs or streets. No gradients. Text: Bold sans-serif "city_name" at top in cream, with the local language name in smaller cream text below.