Traditional Culture Encyclopedia - Hotel reservation - Why do some restaurants always smell like shit?

Why do some restaurants always smell like shit?

This phenomenon only exists in small restaurants with front shops and back kitchens. Because their sewers are often in a semi-blocked state, the smell of a lot of biogas produced by the fermentation and decay of oil and water washing dishes in the sewers returns to the ground. If the real hotel has the financial resources to dredge the sewer and pay attention to environmental sanitation, this phenomenon will not appear.