Right now you are in the open area, now turn right, and keep moving forward, now again turn right, you will find entrance, now go straight, you will find glass dining table in front of you, and on the right side, you will find three chairs, now walk in between the table and chairs, and turn right, now keep moving forward, now turn left, you will find open white door, now go straight, and turn left, on the left side, you will find cupboards, on the right side, you will find table, walk in between them, you will find narrow opening in front of you, now go straight, on the left side, you will find stair case, that will be your final destination.