Create a realistic poster featuring a 30-year-old woman wearing a christmas-themed santa hat, holding a glass of milk. beneath her, depict a joyful family of 15 individuals, all dressed in festive christmas attire. they should be smiling and sharing traditional christmas treats like buñuelos, natilla, milk, and hot beverages. the image resolution should be 4k, aspect ratio 32, with a cinematic, ultrarealistic 8k quality, as if it's a scene from a movie.