The hall is composed of the preface hall and the main hall. The projection area includes two walls of the preface hall, five walls of the main hall, and one floor of the interactive area. Wincomn designers use the shortest ultra short focus projection scheme to project the horizontal direction of each area wall to the full screen, realizing the seamless integration of all pictures in the main hall and the sequence hall. After field investigation, the exhibition hall does not have the conditions for direct installation on the roof, so they design a special structure for projector installation, which makes full use of the site space and ensures that the projection pictures are not affected Tourist interference.