Turn around from the place you are standing and go straight near the narrow opening. Now enter into the narrow opening and keep moving forward. You will find an open door in front of you. Now exit from the door. You will find another open door in front of you. Now go near the open door. Now slightly turn right and enter into the door. Now you are in front of the wall. Now slightly turn left and go straight. On the left side you will find round table. On the right side you will find window. That will be your final destination.