Introduction to the North and South Small Towers: The North and South Small Towers are located in the southwest and northwest corners of the Big Tower, each 70 meters away from the Big Tower. The two towers are 97 meters apart, forming an isosceles triangle with the Big Tower. The two towers are 42.19 meters high and are level 10. It is an octagonal hollow brick tower with dense eaves, with a two-story platform underneath. The lower floor is 20 meters square and 0.8 meters high. The upper floor is octagonal, with each side 5.65 meters long and 1.45 meters high.