Right now you're facing towards a wall. Now turn right and enter in to the room through the open door which is in front of you. There is an open door in front of you, move towards the door and enter in to the room, move a bit forward towards the round shaped article which is in front of you and slightly turn right. You can see a staircase in front of you, move towards the staircase and stand in front of it and it is your end point.