Create a realistic photograph of a sweet elderly lady walking her pet Triceratops, which is the size of a Labrador, on a leash. Both the dinosaur and the lady are wearing matching sweaters and hats. The scene is set on a sunny summer day on a charming street lined with shops. The perspective should be from the side, showcasing the dinosaur in its sweater. The atmosphere should be cheerful and whimsical, capturing the unique bond between the lady and her dinosaur