The Dharma books of Sanhe Xingli are available online. Let's search for a certain thing, a certain cat, and a certain treasure. You can also go to some old bookstores to browse such ancient books. The Sanhe sect founded by Yang Gong is the mainstream in the Feng Shui world. There are countless Yi friends who use the Sanhe theory to investigate Yin and Yang houses. Sanhe Feng Shui also has different branches, including the ancient Sanhe method, the new Sanhe method, and the upward Sanhe method.