Introduction to the "Four Pillars Without Top": The architectural skills of Dacheng Hall are marveled by the world: First, the "Four Pillars Without Top" means that the four golden pillars in the open space of the hall do not reach the top of the hall, but are placed horizontally on the top of the pillars. Two lotus-shaped bucket arches support the troughs and the ceiling of the wellhead; the second is "reducing four columns", under the double eaves on both sides, omitting the two middle columns on each side, so that there are four fewer columns in the hall; the third is "extra long", with the lower part The eaves dougong has seven pavilions and is raised three times. Its total jump length is 112 minutes, ranking first among similar dougongs in the Tang and Song dynasties in the country. The above-mentioned "wonderful achievements" are isolated cases in China.