A charming fluffy bunny cub, with captivating blue eyes, is dressed as Sherlock Holmes, keenly investigating a mystery. The scene is set in the heart of Old London, crafted in a Pixar-inspired animation style. The setting is richly detailed with cobblestone streets and Victorian architecture, enveloped in atmospheric, realistic lighting that reflects a cinematic, photorealistic aesthetic. The vibrant colors of the scene stand out, enhancing the lively atmosphere. This photorealistic concept art, with perfect composition, combines soft natural volumetric lighting and an expertly rendered environment, reminiscent of a classic animated film brought to life using the power of Unreal Engine.