Okay now you are in a room facing the corner of the room. Turn behind, in front of you there is an open door, exit the the room from that open door. Slightly turn to your left, in front of you there is another open door. Move forward towards that open door and turn left. Now enter the room through that open door. Now in front of you there are few chairs and few portraits on the left side. Slightly turn to your right and move in between the two white table in front of you, one having a wall clock, which is on the left side and the other having a system, which is on the right side. Now turn behind, and go straight in between the two tables in front of you and that is the end point, where you are in front of the glass at last.