交通摄影：暮色山涧的救援直升机

Photorealistic medium shot of a red-and-white search-and-rescue helicopter hovering over a misty alpine valley at dusk, dynamic in-flight pose with the nose tilted slightly down and the tail boom raised, spinning rotor blades frozen mid-motion with motion blur, glossy red fuselage with white rescue stripes and a large cross emblem, exposed skids and a hoist cable with a dangling orange rescue basket, glass cockpit reflecting the pink and purple twilight sky, deep fog rolling between pine-covered ridges, a snow-dusted peak catching the last warm light, a winding river and small rock slides below, warm orange key light from the setting sun on the left, cool blue ambient fill from the shadowed valley, slight rim light on the rotor mast, dominant red, white and twilight-purple palette, low-angle hero shot from the valley floor, cinematic aerial photography, photorealistic rotor blur and glass reflections, 4k