Now you are facing towards the chairs, turn around, you can see three open doors and one closed door in-front of you, go towards the third open door from the left, enter into the room and take left, go near the staircase which is to your right side and take right, move forward through the walk path, you can see an open arch to your left, take left and enter into the arch, you are having a narrow open entrance to your right side, enter into it, stop near the opened door, that's your end point.