C829
There are yin and yang in the world. Yin Yang Loop.
The main sun of the world, the main Yin of the netherworld, man lives and dies, lives and deaths, death and death in the netherworld.
The ancients sought longevity and lived an extremely poor life just to escape the cycle of reincarnation and avoid karma.
Eternal life, the ancients had established Heaven and Earth, Heaven and Earth