PROMPT:
Create a mesmerizing photorealistic image of an underground metropolis teeming with life, where iridescent blues and emerald greens dominate the palette, punctuated by flashes of fiery oranges and radiant yellows, with meticulous attention to textures and subtle lighting effects that evoke a sense of wonder and exploration, set amidst a labyrinthine network of gleaming tunnels, ornate bridges, and majestic crystal formations, as if an ancient civilization had carved out a subterranean utopia from the very bedrock of the earth itself.