Prompt cinématique de VFX miniature de ville avec éruption volcanique

12 seconds, 9:16 vertical, 24fps, hyper-realistic film VFX behind-the-scenes, phone ultra-wide handheld one-take. Inside a massive VFX studio, a high-precision physical miniature model of Pompeii fills the foreground - gray-white stone avenues, ochre terracotta rooftops, Roman temple colonnades, cypress trees, a semicircular amphitheater, and dense miniature figures; the central avenue leads to a model of Mount Vesuvius. Blue screens with red tracking crosses remain visible, along with overhead light trusses, cold white LED studio lights, suspended cameras, model platforms, cables, and crew members in black "EFFECTS CREW" T-shirts. The shot begins behind crew and a large cinema camera, then pans smoothly right and pushes forward continuously, circling past the crew to form a centered composition along the ancient avenue. At 1.5 seconds, orange light ignites in the volcano crater, a white-hot orange-red fire column shoots skyward, sparks radiate outward, quickly forming a thick dark-gray cauliflower-shaped smoke column; a low-altitude light-gray pyroclastic flow races from the mountain base toward the city at high speed. At 4.5 seconds, a crew member crosses from the right foreground to the left. After 6 seconds, buildings catch fire point by point; at 7.5 seconds, an orange-yellow fireball erupts in the plaza, and a cameraman on the right lifts his camera to follow. After 8.3 seconds, the pyroclastic flow engulfs the ancient city and surges toward the lens; at 10 seconds, thick smoke fully blocks the frame, studio lights glow through the haze; finally, a black-clad cameraman with a shoulder-mounted camera emerges from the dense smoke on the right, moves left, and is swallowed by smoke again. Real physical miniatures, practical pyrotechnics, gravity-driven sparks, continuous turbulent volumetric smoke, cold blue studio lighting contrasted with warm orange firelight, deep depth of field, slight handheld sway, high temporal consistency, no cuts.