Voyageurs solitaires traversant un désert de science‑fiction vers une ville vertigineuse

a striking, vintage illustration, retrofuturism, a kind of dirty cyberpunk 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 couple of lone figures in beige in the foreground, worn attire walking away from the viewer across a vast, orange-red desert, carrying a bulky backpack on their back, set against a backdrop of a colossal, tiered futuristic city. The city structure is built with a combination of sleek, shiny metallic surfaces and weathered, textured facades, featuring large, domed glass structures and intricate detailing suggesting advanced technology. The sky above is a hazy, sand-colored gradient, with scattered clouds and a distant, rocky outcrop adding depth to the scene. The lighting is diffused and warm, casting long shadows across the desert floor, suggesting a late afternoon or early evening. Other figures can be seen in the distance near the city entrance, appearing small against the scale of the architecture. The overall atmosphere is one of desolation, mystery, and exploration of a forgotten age, in the style of sci-fi concept art. The composition is taken from a slightly low angle, emphasizing the imposing size of the structure. The color palette is muted, with earthy tones of brown, beige, red and orange, enhancing the vintage feel. The overall style suggests a blend of fantasy and comic book art, with clean lines and vibrant colors creating