Introduction to the Black Tiger Spring Group: Walking from Jiefang Pavilion, you will come to the Black Tiger Spring Group, one of the four major spring groups in Jinan. The spring group starts from Jiefang Pavilion in the east and is about 700 meters long in the west. It includes Baishi Spring, Wulian Spring, Agate Spring, Black Tiger Spring, Pipa Spring, South Pearl Spring, Jiunu Spring, Ren Spring, Bean Sprout Spring, Yihu Spring, There are 14 springs including Jinhu Spring, Yinsi Spring, Huibo Spring and Duibo Spring, among which Black Tiger Spring is the first among them and is famous far and wide. Because its maximum daily inflow is as high as 41,000 cubic meters, second only to Baotu Spring, it is the second spring among the 72 famous springs in Jinan.