Feng shui experts didn't talk about a thousand miles, but first saw the situation of head melting, that is, the situation of dragons entering the head. There is a classification of the first case, which is divided into two grids, namely "crossing the dragon into the horizontal" and "returning the dragon";
One is divided into six grids, namely, straight dragon into the head, horizontal dragon into the head, flying dragon into the head, hidden dragon into the head, Longhuitou Scenic Spot, and flash dragon into the head.