Right now, you're facing towards the round table. Turn left and enter into the room. Now, slightly turn right and move towards the door. From here, slightly turn right and move forward and walk in the passage by passing through the portraits on the right side till you reach an opened door on the left. Slightly turn left and step out of the room. Now, slightly turn left and move forward by passing through the large swimming pool on the right side until you reach a wall in front of you and that is the end point.