What are the characteristics of the stone gate house in the ancestral temple?

Stone archway is not only unique in architectural structure, but also the carrier of China's ancient political system in a sense. Through it, it is not difficult to see the political hierarchy, imperial examination system and reward system in ancient China. Moreover, it integrates sculpture, painting, inscriptions and calligraphy, integrates ancient social life concepts, feudal ethics, feudal traditional moral concepts and ancient folk customs, and has magnificent artistic charm, extremely high aesthetic value and rich and profound historical and cultural connotations.