H?c phong th?y c? b?n c?n ph?i n?m th?t ch?c ki?n th?c v? thiên can. Nó gi?ng nh? nh?ng viên g?ch ??u tiên ?? k?t n?i ng? hành và âm d??ng v?y.The Yangshao and Hongshan cultures supply the earliest acknowledged evidence for the use of feng shui. Until the invention from the magnetic compass, feng shui relied on astronomy to find correlations