The yearbook network is contradictory.

Fragile decoration means that it is suitable for decoration and it is forbidden to build a house. If there is no highland in the decoration project, there will be no problem. This matter is whether the Gregorian calendar believes it or not. In fact, many things, such as the ancient Gregorian calendar and geomantic omen, are based on astronomy, meteorology, physics and ergonomics, but these terms have never been used before, but their contents are similar and have great scientific basis, so that is to say, as long as the weather is suitable, there will be no problem.