Colossal Ring Descends on Stormy Futuristic City

the prompt

Gigantic futuristic city during sunset under dark storm clouds.
People suddenly begin staring upward as massive shadows move across the skyline.
Far above the city: an enormous metallic ring structure slowly descends from the clouds.
The ring is unimaginably large, wide enough to surround entire districts. Its rotating inner mechanisms glow with deep orange energy.
A man on a crowded rooftop watches in disbelief as the colossal structure lowers steadily around the city center.
The visible danger grows constantly: massive rotating machinery overhead, atmospheric shockwaves rippling through clouds, windows shattering from vibrations, emergency aircraft circling the structure, giant shadows sweeping across skyscrapers.
As the ring descends: its inner walls pass dangerously close between buildings.
Entire skyscrapers disappear into shadow beneath the rotating structure.
Crowds evacuate through packed highways while overhead: the colossal ring continues lowering toward street level.
The man runs through chaotic rooftops trying to escape the descending machinery.
The ring’s internal mechanisms spin faster: glowing energy arcs pulse between sections, debris floats upward from magnetic distortion, communication systems fail, giant holographic advertisements collapse into static.
At climax: the enormous ring surrounds the entire downtown core.
Its rotating inner surface fills the sky above the streets.
Then suddenly: the structure stops descending.
All movement ceases.
Silence.
The giant ring remains hovering motionless around the city while emergency lights flash below.
Ultra cinematic hard sci-fi thriller, gigantic scale visuals, environmental tension, realistic city panic, cinematic storm atmosphere, grounded futuristic realism.