cinematic wide shot of earth from near orbit, 81 giant matte dark-grey cubes, each 99×99×99 meters, hovering in the upper atmosphere across the globe, linked by invisible energy threads into a vast geometric net wrapping the planet, faint pale-blue afterimages trailing behind the cubes, a thin translucent signal-disruption layer between low orbit and the ground, no satellites, cold blue-grey palette, realistic sci-fi scale, volumetric light, ultra-detailed, 8k, dramatic composition