The central axis message window is located on the east wall of the screen door between the upper main hall and the second hall. This window opening is about 45 centimeters high, with an upper side length of about 20 centimeters and a lower side length of about 40 centimeters. It is in the shape of an isosceles trapezoid and has the functions of communication and warning. From inside the window opening, one can see the passage from the main hall to the second hall. At the same time, this window opening is also used for sending and receiving letters.
Central Axis Message Window of the Presidential Palace
The central axis message window is located on the east wall of the screen door between the upper main hall […]
