perform a high fidelity image enhancement and upscale the source document to 4k ultra high definition strictly maintain the original composition camera angles textures and every object placement without adding removing or modifying any elements set the atmospheric lighting to a realistic night time environment by extinguishing all interior museum lights ensuring total darkness within the building interior retain exclusively the existing light sources flashlights and street lamps and refine their light distribution intensity and rendering for a photorealistic effect enhance clarity sharpen fine details and improve color grading for a professional cinematic finish do not introduce any new objects or light points the output must be a faithful visual restoration and quality enhancement of the original input
