Read Leviticus 14:53 Using Other Translations
But he shall let go the living bird out of the city into the open fields, and make an atonement for the house: and it shall be clean.
And he shall let the live bird go out of the city into the open country. So he shall make atonement for the house, and it shall be clean."
he will release the live bird in the open fields outside the town. Through this process, the priest will purify the house, and it will be ceremonially clean.