replace the black ceiling texture with a flush warm illuminated barrisol stretch fabric light replace the red walls with glass brick wall replace the green walls with a dusty brown paint trowel texture replace the plants with realistic lush looking indoor plants show hidden recessed warm lighting channels where walls intersect with the ceiling replace 2 x current people with 2 x real life looking females ensure round wall lamps are subtly illuminated overall lighting should be subdued and suitable for a day spa