retro style poster: san diego in the bold palette of roy lichtenstein

retro style poster buildings bold palette futurist calarts political enigmatic tropics shadows uhd diego roy lichtenstein design vibrant colors pop art comic book urban landscape nostalgic graphic artistic midcentury modern cityscape architecture creative eyecatching nostalgia vintage colorful abstract retrofuturism culture poster: city skyline featuring birds flying art-inspired design american modernism artwork showcases juxtaposition light shadow creating tropical atmosphere digitally enhanced reminiscent works progress administration wpa style captivating visual captured flickr generated