This ancient pagoda has a very long history. The ancient pagoda was protected long ago, and tourists who had been fenced in early days could not climb the pagoda. At present, it looks slightly inclined, known as the Shanghai version of the Leaning Tower of Pisa. The name of the tower comes from the following sources. There are four corners in each layer of the pagoda. There are four corners of the pagoda. There are pearls in the four corners. The wind blows beads loudly. The rain beats pearls and jewels. The pagoda is really great. It is all the blood crystals of the ancient working people.