Huilong boundary point, its origin and development are often very long, with more than ten kilometers or even dozens of kilometers. After leaving Zulong, Nenlong turned around and looked back at Zushan in the process of moving forward, rose from Xingfeng to form a knot, and took himself into the hall with the dragon water. Therefore, there must be horizontal fences and cross-flow bends to keep the water from hitting the hole field directly.
Sitting full and facing the sky, also called sitting real and facing the sky, refers to two important directions of the house-there is a backer in the back and an open front. Sitting in the sky is a kind of confusing feng shui. In the air-conditioning geomantic omen, sometimes according to the ups and downs of the mountain situation and orientation, we choose to sit on the ground empty and rush to build it. Once lost, Wu Ji will become a haunted house.