a Photorealistic hyperrealistic render of a view looking up from the street of a futuristic mega city at a gigantic alien spaceship above the skyscrapers by Greg Rutkowski,Vitaly Bugarov,Stephan Martiniere,Nicolas Bouvier SPARTH,James Paick,dramatic moody sunset lighting,long shadows,Volumetric,cinematic atmosphere, Octane Render,Artstation,8k