Thanks for the advise. Had this checked by plumber and confirmed water trap was missing.

Thanks for advise. Plumber inspected and confirmed the water trap was missing...
Suffered this smelling issue for more than a year, just because they forgot to put it in...

Thanks for the advise. Had finally have the plumber to inspect and confirmed the water trap was forgot to put in. Now the difficulty is, to put the original water…

Any advice will be appreciated.
Following is the illustration of floor trap installed in the other bathroom of my apartment. After compared apple to apple, the PVC insert is missing in…

Bought a new apartment a year ago and noticed several building quality issues after moving in, including terrible sewage smell from one of the bathroom. Further investigation found that the…