Introduction to Zhenwu Hall: The main hall of Zhenwu Temple is Zhenwu Hall, with a width of three rooms and a brick and wood structure. The white stone foundation, red brick walls, stone windows, stone pillars and red tiles are very rich in the local architectural characteristics of southern Fujian. On the lintels of the left and right side doors, there are the words "Swallowing the Yangtze River" and "Holding the Far Mountains". The plaque "Zhenwu Temple" on the door of the main hall was inscribed by Mr. Yu Yu, a calligrapher, poet and scholar from southern Fujian.