田园牧场草地奶牛商业照片

a group of black and white cows in a lush green field, various poses, some grazing, some looking into the distance, open countryside background, blue sky with white clouds, distant trees, fresh and natural color scheme, green, white, and black tones, details include cow patterns, grass texture, and cloud shapes, serene and peaceful atmosphere, natural and realistic processing, vivid and natural visual effect