YOU SAID:
下水道に住んでいます。
INTO JAPANESE
下水道に住んでいます。
BACK INTO ENGLISH
I live in a sewer.
INTO JAPANESE
私は下水道に住んでいます。
BACK INTO ENGLISH
I live in sewers.
INTO JAPANESE
私は下水道に住んでいます。
BACK INTO ENGLISH
I live in sewers.
That didn't even make that much sense in English.