Introduction to the Light of Civilization: In the "Qiankun Hall" of Huamen, famous documents, major inventions and important figures that have influenced the development of Chinese history are displayed. The "Bagua Pillar" in the hall reflects China's oldest civilization and the most primitive cultural form; the crystal ball has a diameter of 7.5 meters, which is currently the largest crystal ball in the country. Through the ball, you can overlook the China Hall; on the east and west sides of the hall, there are Huamen displays the classic treasure house of five thousand years of Chinese civilization; the thirty-two bronze sculptures on the four sides are art treasures that display the major inventions and important figures of the Chinese nation.