six. Cách tra sim phong th?y h?p tu?i b?ng ?ng d?ng xem phong th?y sim chính xác nh?tThe Yangshao and Hongshan cultures supply the earliest identified evidence for the use of feng shui. Till the invention of the magnetic compass, feng shui relied on astronomy to uncover correlations amongst people as well as universe.[8]+ Ng? hành sim t??ng sin