After decades of continuous archaeological discoveries and in-depth research, it (referring to the middle reaches of the Yangtze River) has gradually unveiled the mystery of thousands of years. "Warring States Policy" contains: "The former one, the residence of the three seedlings, the wave of Pengli on the left, the water of the cave court on the right, Wenshan in its south, and Hengshan in its north." "Such an area, both in the records and in the public impression, should have been a backward barbaric place in prehistoric times," says Siwei Shan.