Introduction to the Sacrifice Square: The "Sacrifice Square" is located directly in front of the "One Hall and Two Pavilions", with a width of 99 meters from east to west, a length of 93 meters from north to south, and a construction area of ​​9207 square meters. It uses a concrete foundation and bluestone pavement. It is solemn and solemn and can accommodate tens of thousands of people for sacrifices. Therefore, it is also called the "Ten Thousand People Square". Visitors here can experience both the solemnity of the palace and the magnificence of the square.