keep this exact image completely unchanged in terms of architecture lighting furniture and layout do not modify move remove or replace any existing elements preserve all lighting exactly as shown enhance the render by only adding subtle details to increase realism and atmosphere populate all existing bookshelves with realistically scaled books books should vary in size color and orientation with a natural slightly imperfect arrangement including some horizontal stacks and gaps avoid overly uniform or repetitive patterns add minimal surface detail a few books notebooks or papers placed casually on tables small realistic school related objects introduce plants in a restrained and architectural way a few medium or larger floor plants placed near columns corners or along edges do not place any plants on tables avoid excessive greenery add subtle material realism slight variation in wood grain and tone soft contact shadows under furniture gentle imperfections to avoid a perfectly clean or staged look maintain a calm minimal contemporary educational atmosphere with warm wood tones and muted colors no people no clutter no changes to lighting architecture or existing furniture only add detail to enhance realism do not reinterpret or redesign the space