Промт 8K high-definition, ultra fine picture quality, and cinematic quality photography style. On the vast and lush grasslands, a gentle breeze blows and the tender green grass leaves sway with the wind. A young black haired girl is riding this strong horse and running wildly.. The girl has a slender figure, a fair and delicate face, with lively eyes and rosy lips. Her long black hair is as smooth as silk, casually draped over her shoulders. Wearing a loose white cotton shirt, the hem fluttering in the wind, paired with a pair of light blue denim pants and brown leather boots. Grasping the reins tightly in hand, accompanying the horse in perfect harmony. The horse's whole body is shiny, with brown fur shining brightly in the sunlight. Its hooves are steady and powerful, and its ears occasionally rotate, as if listening to the sounds of the grassland. In the distance, there are undulating green mountains that meet the blue sky, with white clouds drifting gently like snow, creating a leisurely and pleasant atmosphere --ar 9:16