Right now you're facing towards a glass. Now turn left, there is a portrait on the wall in front of you, move towards the portrait and slightly turn right. There is an open door in front of you, move towards the door and exit the room. Now turn left and move two steps forward, you can see a staircase to your left. Now turn left, there is an open door in front of you, move towards the door and enter in to the room. There is a wall in front of you, move towards the wall and stand in front of it and it is your end point.