A beautiful highly detailed retrofuturistic mechanical very beautiful mermaid swimming a beautiful nature photo of An underwater coral reef with a beautiful highly detailed digital artwork of a (An iridescent purple, blue, green tailed mermaid:1.1), in front of a space nebula, featured on Artstation, 8k, photo by National Geographic by peter mohrbacher and shinji aramaki, dieselpunk, 70mm photo, featured on artstation, 4k, octane render | Steampunk