Introduction to the South Tower: The South Tower was rebuilt in the 51st year of Kangxi (i.e. 1712 AD). It is 18 meters high. It is built with bricks on a square base with a side length of 5.1 meters and is stepped and hollow. On the seventh floor of the tower, there is an ancient fragrant tree growing in a ring around the tower, forming a unique tree-wrapped tower landscape.