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Introduction to physical objects: The content of the exhibition is based on the theme of "Ideals are higher than the sky, and blood casts Qilian", with detailed historical materials, pictures, objects, artworks, sand tables, and sculptures as the main body, and with electric charts, touch screens, and audio-visual devices. Using multimedia technology as a means, a total of 3 large-scale landscapes, 1 phantom image, 4 sculptures, and 5 reliefs were designed. More than 300 pictures, more than 50 telegraphic historical materials, 12 charts, and more than 50 physical objects and art were exhibited. There are 7 products, 5 multimedia display screens and 4 electronic touch screens.