add interior inside this dark window i highlighted with red lines 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 color temperature for this interior can not be to warm and yellow make it similar to restaraunt interior on the left and hall in the center do not change original window size and design you do not really need to show the whole conference room interior just that part what we can see from the window do not put anything on the wall like tv or etc chairs put in rows facing the window