Photorealistic, futuristic cityscape, HDR, otherworldly, far off in the distance, partially obscured by clouds, a gigantic alien mother ship floats high above the city, far in the distance, like a humongous hovering metallic insect, distance haze, electalien artstyle, viewed from a skyscraper, sunset, District 9, Blade Runner, Edge of Tomorrow, Independence Day, high contrast, foreboding, small alien support craft zip around the ship, storm clouds, lightning