The third exhibition has archives that have witnessed key moments of revolution, liberation and social construction of multiple ethnic groups' settlements over the century since the founding of the Communist Party of China in 1921.

These involve events such as the implementation of the system of regional ethnic autonomy as a basic political system, the building of Sichuan-Tibet Highway, and efforts to improve educational and medical conditions in the early 1950s.

Luo Jihua, deputy director of the institution's exhibition hall, an ethnic Qiang woman from Sichuan province herself, says the photos and documents show how an equal, united and harmonious relation among Chinese ethnic groups is built under the guidance of working theories and policies of the Party, and how they help each other and solve problems together and finally realize rapid development and considerable improvement of life.

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