Space Colony, A huge space colony floating between the moon and the earth

有些有趣的事，只能你知道。

Space Colony, A huge space colony floating between the moon and the earth, 3 km in diameter and 5 km long, the cylinder-shaped structure generates artificial gravity inside by spinning on its own axis, ((masterpiece, highest quality, Highest image quality, High resolution, photorealistic, Raw photo, Extremely detailed CG unified 8k wallpaper)),

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