### Human: Create a prompt for Stable Diffusion showing astronaut underwater putting a flag in the sand of the bottom of the ocean. there is a futuristic submarine in the background. dark### Assistant: astronaut underwater putting a flag in the sand of the bottom of the ocean. there is a futuristic submarine in the background. dark, concept art, cinematic, dramatic, atmospheric, 8k, trending on artstation, low visibility, zack snyder