Geomantic omen: what is a acupoint eye?

There are all kinds of geomantic omen in "Yin Zhai Geography", such as qi riding and acupoint pressing ... Acupoint pressing is the most popular and popular one in geography. In some areas, people build houses to worship the remains of their ancestors, which does not belong to the acupuncture method. The point where a person can only be buried if he finds the Tai Chi center is called "acupoint eye". Acupoint eyes are different from other earth colors. If you bury it next to the hole, you won't be able to bury it well (the bones will be weathered) and you won't be able to bury people as scheduled.