Now you are facing to the marble wall. Turn around and exit the room, on your left there is a open door, move towards the room and exit the room, turn left, on your left you can see a open door move towards it and  enter into the room, on your left you can see a washbasin, move towards the washbasin and turn right, on your left there is a small entrance move towards it, if you look forward there is a white cupboard, move towards the cupboard and stop.