inside of an underground factory with grates, ladders, walkways, doors, ominous, dark, bleak, Post apocalyptic, atomspheric lighting, cinematic lighting, matte painting,  movie concept art, rendered in octane, in the style of bladerunner 2049, dystopian, sci fi, v-ray, extreme wide shot, extreme long shot, 8K wallpaper, hypermaximalist,  hyper realistic, super detailed, octane, volumetric lighting,  atmosphere,  Matte painting, Extreme long shot, Octane render H 704