Feng shui, swallows enter the house.

Where there are many swallows, there will be swallows under the eaves of people who are very smooth in all aspects. There are swallows in the unfortunate family.

You can observe it and see if it is true.

Swallows have nothing to do with feng shui.

Swallows should only choose their nests according to their habits, temperature, or the convenience of foraging and laying eggs. Swallows don't choose space according to feng shui!