What feudal superstitions may seem absurd but have some science?

Feng Shui belongs to feudal superstition. It may seem absurd, but it has a certain science.

Feng Shui is a mystical art with a long history in the Chinese nation. It is also called Qingwu Shu and Qingnang Shu. The more academic term is called Kanyu. Feng Shui is the force of nature and the great magnetic field energy of the universe. Wind is vitality and field energy, and water is flow and change. Feng shui is originally the art of looking at the ground, which is a method of checking geography on the spot. It is also called geographies and the ancient name of geology. It is a philosophy that studies the environment and the laws of the universe. Since people are a part of nature, nature is also a part of people. Reach the state of "harmony between man and nature". The founder of Feng Shui is the Taoist goddess Jiutian Xuannv. The relatively complete Feng Shui knowledge emerged in the Warring States Period. The core idea of ​​Feng Shui is the harmony between man and nature, to achieve the "unity of man and nature." Early Feng Shui was mainly related to methods and principles such as the location, orientation, and construction of palaces, residences, villages, and cemeteries. A metaphysics.

Feng Shui has two interpretations. One is a type of edema disease, which is mostly caused by the invasion of wind evil, the loss of lung energy, the inability to regulate water channels, and the retention of water and dampness in the body. The second refers to the natural situation of residential sites, cemeteries, etc., such as the system of land lines, directions of mountains and rivers, etc.