How did Ms. Beichenhe comment on the purification of Santa Fe?

I have been renovating my home for more than half a year. There are so many cabinets in my house. I never know if there is any formaldehyde or not, but I feel uneasy when there are children who want to live. I have never moved in. My cub went to elementary school in Beichen, and it is actually more convenient to pick up and drop off....