This ligne claire illustration, hand-drawn in the style of Jean Giraud also known as Moebius, depicts a broad cityscape of impossible towers, onion domes, cylindrical high-rises, elevated walkways, rooftop terraces, and ceremonial public squares, viewed from an upper vantage point, tiny crowds and small vehicles below, black-and-white architectural plate, obsessive line detail, surreal but orderly urban planning, large clear sky, visionary retro-futurist metropolis, highly legible vertical forms