2. The nozzle is the inlet and outlet of water flow. On the one hand, the ancients believed that water flow would affect qi: "the yang of qi travels in the wind, and the yin of qi travels in the water." On the other hand, it is believed that water dominates wealth, and only with water can wealth enter. Therefore, the nozzle in front of the door should be clean, not slow and not urgent, and it is a steady stream, which is called rolling in. The water in front of the door is called gathering water in front of the hall, also called Tang Mingshui. Traditionally, it is considered blessed, and water has become a symbol of happiness.
3. There are basically two major problems in the houses at intersections and at the end of roads. First, the exhaust gas from nearby is easy to stay here, and second, the noisy environment is unstable, which affects people's lives. There are two solutions: one is to strengthen indoor ventilation, and the other is to set a screen in front of the door or window as a buffer. The road in front of the door is also very particular. Don't face the door directly and don't form a "D" shape. The most important thing is to bend down and hold the door.
4. In geomantic omen, the big tree in front of the door will block the entry of Yang, making Yin easy to flourish. But also cause inconvenience in entry and exit, and are vulnerable to the danger of lightning strike. Trees will also block the air and hinder the air flow here, which is equivalent to pinching the "throat" of the air inlet, and it is difficult to protect the health and longevity of the owner.