amidst the vibrant colors of the aurora borealis a steampunk black market comes to life offering rare mechanical artifacts

aurora vibrant colors steampunk black market life offering rare mechanical artifacts borealis colorful mechanisms underground trade illuminated gears spectacle cogs mysterious unusual night sky inventive contraptions machinery devices treasures commerce exchange futuristic retro wonders vision neon twilight obscure relics enigmatic ethereal glow dusk radiant celestial sprockets rarity illumination