### Human: Generate an SD prompt presenting a curious explorer discovers a massive sprawling underground city in a huge cave system. city has churches### Assistant: a curious explorer discovers a massive sprawling underground city in a huge cave system. city has churches, european-style buildings and big towers, and is really far away, illuminated by dim ambient lighting. waterfalls are flowing between different levels of the city. award winning digital art, concept art, breathtaking, imaginative, detailed.