You are standing at the entrance of the washroom, facing  towards the open door beside the bath tub, turn back, exit the room, turn left, in-front of there is an open door, walk through the open door and exit the room, in-front of there is another open door, walk through the open door and exit the room, walk straight in the corridor, until you the open door in-front of you, walk to the open door, enter the room, in-front of you there is a glass window, stand in-front of the glass window, that's your end point.