### Human: Provide me a Stable Diffusion prompt portraying astronaut underwater putting a flag in the sand of the bottom of the ocean. a submarine is visible in the distance. dark### Assistant: astronaut underwater putting a flag in the sand of the bottom of the ocean. a submarine is visible in the distance. dark, concept art, cinematic, dramatic, atmospheric, 8k, trending on artstation, low visibility, fog, ocean floor, christopher nolan, interstellar