Introduction to the Tai Chi Diagram: There is a Tai Chi stone tablet standing on the ground. In the center of the monument is a Tai Chi Bagua diagram, with yin and yang dividing the twilight. There are two columns of small characters engraved on the left and right sides: Man follows the earth, earth follows the sky, and heaven follows the law. Tao, Tao follows nature; Tao produces one, which produces two, two produces three, and three produces all things.