Which constellation is called Long Mai _ which constellation is called Long Mai?

The first dry dragon: it follows the Yellow River eastward, passes through Gansu, Shaanxi, Shanxi, Henan and Shandong, and enters the sea, which is related to the fate of the Central Plains dynasty and even the fate of the whole world.

The second dragon: Starting from Kunlun Mountain, heading northeast, crossing Hebei into the sea. After Emperor Yangdi dug the Grand Canal, Mr. Feng Shui thought that the river had penetrated deep into Yanshan Mountain, breaking the vein of the first dragon, making the second dragon subtle, so that after the Anshi Rebellion, wars continued, the vassal regime was divided, the territory of the Song Dynasty shrank, and the ethnic minorities of Liao, Yuan and Qing entered a unified system.

The third dragon is in the south, starting from Kunlun and ending in Fujian, Zhejiang and Guangdong.

The Yellow Emperor's Long Mai is in the Yellow River Basin of the Central Plains, that is, the Taihang Mountains in the northwest of Henan Province, ending in the Yellow River. Now, it is reasonable to choose Zhengzhou, Henan Province as a place to worship ancestors.

Long Mai of Dayu is in Jiulong Mountain, Wenchuan County, Sichuan Province today; Long Mai in Shang Tang is in the Yellow River Basin; Long Mai of the Zhou Dynasty was in Qishan. These ancient Long Mai, due to the lack of relevant data support, need not say more.

Long Mai of the Qin Dynasty was in Xianyang, where the Longshan Mountains and the Qinling Mountains met. Qin people have been herding horses in Longdong for hundreds of years, and Longxing is here. By "cutting off the earth's pulse", Meng Tian seems to mean the pulse of the whole China.