2. In addition to the funeral custom of "money is hard to buy rain to bury", there are also "rain hits the coffin and comes out first" and "rain falls on the grave, indicating that it rains after the funeral or burial, which proves that some descendants of the main family will reach the peak; If it rains when the tomb is closed, the next three generations will prosper. Because the geomantic omen of ancestral graves is closely linked with the fortune of future generations, the fortune of future generations will be very good, and the people in the family will be either rich or expensive.