From the perspective of ancient geomantic omen, this "Big Dipper"-shaped S-shaped burial style can best "gather qi". Ancient science was underdeveloped, and the ancients had a mysterious feeling about celestial bodies, believing that the Big Dipper could ward off evil spirits.
Beidou consists of Shu Tian, Tian Xuan, Tianji, Tianquan, Yuheng, Kaiyang and Yaoguang. The ancients connected these seven stars and imagined them as barrels of wine in ancient times. Shu Tian, Tian Xuan, Tian Ji and Tianquan are composed of Dou Shen and Gu Yue Kui. Yuheng, Kaiyang and Yaoguang are composed of bucket handle, which was called Piao in ancient times.
Extended data:
Precautions:
The China star names of the Big Dipper are Shu Tian, Tian Xuan, Celestial Pole, Tianquan, Yuheng, Kaiyang and Ursa Major. The top four are called "Dou Kui", and some are called "Xuan Ji"; The last three are called "barrels". Modern stars are named Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major, Ursa major and Ursa major. Connect the two stars at the mouth of the barrel and extend to the mouth of the barrel for five times to find the North Star. These two stars are also called "finger stars".