How does the property expel pigeons?

The method of expelling pigeons is as follows:

1, driven by the characteristics of sound, light and taste based on goodwill, such as using bird repellent tape and bird repellent.

2. Control the food sources of pigeons: By controlling the food sources that pigeons like, such as grass seeds, the number of pigeons can be effectively controlled.

3. Tie a weatherproof rope in the place where pigeons like to live: the rope should be located 2.5 cm above the foothold. So pigeons can't keep their balance on it, and naturally they won't stay.