Masterpiece illustration of a young child sitting on the sand, smiling with a cute face. The close-up shot captures extreme detailed and big eyes, with blonde hair styled in pigtails. The child is joyfully making a sandcastle using a plastic bucket. The scene is enhanced by dramatic lighting with sunlight and lens flare, adding warmth and a touch of magic to the beach setting. Sea shells and hints of sea life surround the child, creating an idyllic and lively atmosphere. With 16k resolution, UHD, and HDR quality, the image showcases the beauty of childhood and playful innocence.