Reveal how many Feng Shui Long Mai there are in the legend of China.
If every dynasty had Long Mai, then China had at least 24 Long Mai. Long Mai of the Yellow Emperor is in the Yellow River Basin of the Central Plains; 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; Long Mai of the Qin Dynasty was in Xianyang; Long Mai in Han Dynasty was in Pei County; Long Mai in the Western Jin Dynasty was in Hanoi; Long Mai of Sui Dynasty was in Hongnong; Long Mai in Tang Dynasty was in Chang 'an, Longxi and Taiyuan. Long Mai lived in Kaifeng, Gongyi and Luoyang in Song Dynasty. Long Mai in Yuan Dynasty was in Inner Mongolia grassland; Long Mai of the Ming Dynasty was in Fengyang, Anhui; Long Mai in Qing Dynasty was in the northeast.