spectral high-tech city with neo-noir ambiance in a post-apocalyptic setting

hightech city postapocalyptic spectral neonoir moody atmosphere dark haze futuristic skyscraper metropolis skyline fantasy innovation imagination surreal celestial mysterious mystical floating civilization technology urban modern tower abstract light space unreal design concept scene progress sustainability dreamy ecological magical cosmos fiction hovering tall island extraterrestrial blue advanced high-tech neo-noir ambiance post-apocalyptic setting glimpse future: structures cast shades