alien spacecraft in space colony, swirls of colorful skies, tubular mechanical structure ,sci-fi landscape by caspar david friedrich, laurie greasley, moebius and h.r. giger, 8k resolution dslr filmic hdr 3d shading,  cg society cinema 4d imax shadow depth, blender unreal engine, hyperrealism, photo illustration, concept art, technological, vibrant cables, shiny wires, landscape, architectural mechanical, cybernetic, ambient lighting trending on art station