Introduction to Tianhou Temple: Located in the middle of Langguan Lane, it is an auxiliary building of the "Sui'an Guild Hall" in the Qing Dynasty. It is dedicated to "Tianhou Mazu". It has three gates facing the street and a unique wall shape. There is a stage and a caisson inside, and the wooden components are beautifully carved. Langguan Lane is connected to the large and small water flow bays in the west, and the inland river is connected with the Minjiang River. It is an early water transportation crossing. Tianhou Temple has become a landmark building in the historical and geographical changes of the Three Lanes and Seven Alleys.