Retrofuturist Astronaut Above a Futuristic City

a striking, vintage illustration, retrofuturism, a kind of dirty sci-fi illustration, with a strong sense of sci-fi adventure. This style is a clear blend of European sci-fi and fantasy illustration, in the vein ofJean Moebius Giraud, of a lone astronaut wearing a vibrant acid green, high-tech spacesuit with reinforced knee and elbow pads, sits on the edge of a massive, overgrown, futuristic megastructure overlooking a sprawling, densely populated cityscape under a bright, partly cloudy sky. The suit features multiple utility pouches, straps, and a large, reflective blue visor that obscures the face. The astronaut's posture is relaxed yet alert, with legs dangling over the immense drop. The megastructure is constructed from weathered, metallic panels interwoven with lush green vegetation, suggesting a post-apocalyptic or eco-futuristic environment. The background displays a detailed metropolis with massive towering skyscrapers, a distant bridge, and scattered clouds that partially obscure the urban landscape, creating a sense of both immense scale and isolation. The lighting is bright and natural, casting subtle shadows and highlighting the textures of the suit and the organic overgrowth. The perspective is a high-angle shot, emphasizing the height and the vastness of the world below. The overall mood is one of quiet contemplation and adventure, rendered in a detailed, painterly, science fiction art style. Highly detailed. The overall style suggests a blend of vintage sci-fi aesthetics and comic book art, with clean lines and mutted colors creating a dreamlike atmosphere, in the style of Moebius

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