How far is the best burial place for sons and fathers?

The distance between the father's grave and his son is no problem, but emotionally, it would be better to be closer. Conducive to the reunion of father and son. There is no fixed distance, mainly depending on feng shui. Generally speaking, the elderly are behind and the younger generation is in front. Of course, it depends on the geographical location. Specifically, it is enough to bury the graves of sons and fathers within a distance of about 3 meters to 10 meters. This will make the younger generation more prosperous and rich.