What kind of house is called coffin house?

From the perspective of geomantic omen, the coffin house is a coffin-like house, and the house itself is not a problem. It is necessary to judge the quality of a house by removing sand and receiving water. In mountainous areas, it is also very important to discuss the dragon method, water method, sand method and the internal layout of houses. There must be professional feng shui guidance. Now there are all kinds of Feng Shui masters and factions. The key depends on whether you have a chance to find a master. The best way to verify a feng shui master is to let him break the past, which means that it is useless to talk nonsense and make inaccurate judgments.