A harbinger of domestic champions

The harbinger of the number one scholar in the family: swallows come to build nests.

If a family wants to win the championship, there will definitely be swallows in the family to nest. When there are swallows nesting at home, the test luck of the children in this family will be improved, so if there will be a champion at home, there will definitely be many swallows nesting. Therefore, for parents, we must pay attention to this physical phenomenon, and we can also put Wenchang Tower in the children's home at ordinary times, which can also improve the children's exam luck invisibly.