A cute fluffy bunny cub, adorned in a classic Sherlock Holmes outfit, with captivating blue eyes, is on a quest to solve a mystery in the foggy streets of old London. The scene, brought to life in a vibrant Pixar-like style, is ultra-detailed, capturing the enchanting ambiance of an animated film. The cobblestone pathways and Victorian architecture are bathed in realistic, cinematic lighting, casting soft shadows that enhance the photorealistic quality. The vivid colors of the scene pop with energy, framed with perfect composition and sharp focus. Rendered with an exquisite touch akin to Unreal Engine's capabilities, the environment exudes a natural volumetric atmosphere, encapsulating the spirit of a masterfully crafted animated concept art.