replace only the sky do not modify the house garage driveway landscaping lighting materials reflections colors or perspective keep all architecture exactly the same generate a soft natural early evening sky with a smooth gradient very light atmospheric haze near the horizon minimal cloud coverage less than 40 clouds must be distant thin and low contrast no defined cloud edges no large formations neutral color tones realistic dynamic range professional architectural photography style no cumulus clouds some large cloud formations no high contrast clouds no hdr no orange glow no purple tones no storm clouds no volumetric clouds