Now you are standing behind the black chair, move froward and a exit the room through an open door, now take right, move forward through the corridor till the end of the glass door and take left and move forward, you can see walk way to the left side and right side, now take left and move forward, you can see a walk way to the left side and right side again, take left, you can see a pillar to the left, move forward till the half opened glass door in-front of you, stand in-front of that, that's your end point.