keep the existing interior exactly the same with no changes to the architecture layout materials finishes colour palette lighting design or furniture arrangement do not redesign or modify any elements of the original space add a large beautifully decorated christmas tree placed naturally within the scene with warm glowing lights and elegant ornaments add heavy soft realistic snowfall throughout the entire image including outside visible areas and throughout the interior add thick layers of settled snow across the floors stairs edges and surfaces creating a magical winter atmosphere without obscuring key design features add playful christmas characters such as elves or festive figures sledging interacting and having fun in a whimsical but realistic way integrating naturally into the environment without altering the interior add cozy holiday elements including garlands warm string lights ornaments wrapped presents around the tree subtle sparkles and a soft magical glow add warm bokeh holiday lights in the background gentle reflections of christmas lights on windows or glass and a subtle warm glow from the christmas tree the final render should feel festive magical playful and deeply christmassy while preserving every detail of the original interior design
