A beautiful highly detailed mechanical (Bright cave in the night sky with a shooting star and coloufull planets in the backround and crystals covering the cave :1.3) by shinji aramaki and mark keathley, (dieselpunk:0.8), 70mm photo, featured on artstation, 4k, octane render, (centered composition:1.2), 4k, 8k, artstationhq | Steampunk