MidjourneyPrompt 指令：digital dark sci fi cyberpunk illustration of a subterranean mega-city metropolis with multiple levels, large homes, greenery, markets, people walking, crystalline caves with purple glow, underground city
MidjourneyPrompt 指令：digital dark sci fi cyberpunk illustration of a subterranean mega-city metropolis with multiple levels, large homes, greenery, markets, people walking, crystalline caves with purple glow, underground city
