Prompt
"Generate a dimly lit, mystical image of the Basilica Cistern, an ancient Byzantine reservoir in Istanbul, Turkey, featuring 336 marble columns rising from the shadows, with Medusa column bases and the distinctive 'Hen's Eye' column, under a brick vault roof, with soft, ethereal lighting filtering through the water, reflecting off the stone floor, in a style that blends realism with a sense of ancient mystery and grandeur."