天安门广场布置年号台、观众席、LED大屏等要素

Group 1 - The article highlights the scientific arrangement of elements such as the year number platform, audience seats, and LED screens at Tiananmen Square for the 80th anniversary of the victory in the War of Resistance Against Japan, emphasizing harmony with surrounding architecture [1] - The event aims to showcase the solemnity and grandeur of the commemorative ceremony while reflecting the great victory of the national spirit centered on patriotism [1] - To enhance the experience for the public, a temporary viewing platform has been constructed as close as possible to Chang'an Avenue, allowing more people to attend the ceremony [1]