"Geographical Secrets Yang Gong Judging Law" is a Qing Dynasty manuscript, the whole book has a total of 68 pages, including Yang Gong Judging Law, Yang Gong Jiuxing Liao Gong on the righteousness of Yao matching, Yang Gong thirteen fears, compass layers, compass theory, compass diagrams, on the four bureaus, Shengwang with nine stars set a game, four bureaus diagram general purpose, internal and external phase law, four meridians and five elements, water release tips, etc.
It should be noted that the theory of "dragon's lair sand water" in Feng Shui has not been scientifically confirmed and recognized, and is more of a traditional cultural and philosophical concept. In modern society, people should use scientific methods and thinking to evaluate and use the geographical environment.