make this marble behind the whole thing glow as if it were translucent and there is an led light behind it it is a bit greenish so don t lose that shade fix the glare from the chandelier and make the lighting uniform brighten the whole room because you can t see the colors and materials put wine glasses and utensils on the shelves and close that shelf with glass the wooden table should be made of black wood and the chairs should be depicted as more realistic wood than the current one fix the concrete it should look like the rock split face rough texture from elasticstone ca in a color that imitates concrete the shelves on the left in the background do not have marble but wood there the chandelier is wooden let the wood texture be seen on it make the steel look more realistic on the h profile beam the marble should all radiate light not just around the perimeter make the wall projection and ceiling brown i e a brownish plum reddish shade