First of all, you have to explain that this sewer passes just a few meters in front of your door. Besides, you'd better
Hand-draw a map of the sewer and your home, take a photo and upload it to see it more clearly.
Chu, you didn't make it clear.
Also, do you know how thick this sewer pipe is?
You should also explain what happened in your family that makes you feel related to Feng Shui.