You are looking inside a washroom, turn around and proceed towards the grey carpet and black table straight ahead, once you are at the corner of the black table, turn right and walk towards the grey carpet on the marble floor, and the grey chairs, once you are standing on the marble floor and near the dining table and grey chairs, turn right and now you should be looking straight ahead their should be stairs on your left and an opening on your right, with the picture on the wall, stay in between them and walk straight. Once you are standing just near or in the middle of the opening to a  washroom on your right and the staircase on your left, you are done.