add interior inside this dark room on the right take into consideration next information it has to be a conference room there keep sloped wodden plank ceiling keep window reflection with all the grass and trees on it make lightning scenario for this interior not like a yellow warm light but close to main hall in the center and restaurant on the left the real depth of this room is 15 meters it has to be same picture same point of view just add interior where the black window is dont change window size it has to be as original size
