completely remove large piles of stones in the courtyard courtyard represent the round gravel in the courtyard much more realistically and with higher quality create a fine natural gravel texture with different small stone sizes do not use oversized or artificial looking stones the gravel should appear elegant minimalist and architectural light bring more natural sunlight into the interior make the interior appear brighter and more natural create warm high quality sunlight integrate realistic light reflections and soft shadows allow high quality sun rays to enter through the glazing and courtyard realism ultra realistic 4k 8k architectural visualization rendering produce high quality material details and natural lighting effects make it look like a professional corona renderer v ray rendering very important do not remove or alter the interior furniture do not change or remove the existing ceiling do not change architecture geometry or framing do not move any furniture really only remove the large piles of stones only optimize gravel courtyard materials and lighting atmosphere