PROMPT:
Create a photorealistic image of an underground metropolis, where the walls and buildings shimmer in the light of luminescent crystals embedded in the rocks, casting an ethereal glow on the bustling streets. Incorporate vibrant hues of turquoise, emerald green, and sapphire blue, with accents of golden light to evoke a sense of wonder. The scene should burst with energy, showcasing advanced technology seamlessly integrated into the ancient, naturally formed caverns. Depict a variety of peculiar, yet fascinating, alien-like flora sprouting from the rocks, adding to the mystique of this subterranean world. Ensure the atmosphere is alive, with steam hissing from pipes, and the sound of gentle, humming machinery faintly audible in the background.
