I think the most disgusting cesspit in the world is Edinburgh Noel Lake.
First, the formation of cesspits.
This lake has been used as a dumping ground for human excrement and corpses, and even contains waste from dozens of slaughterhouses, as well as all other forms of animals and waste you can think of.
Two. Introduction to Edinburgh
Edinburgh is located at the mouth of the east coast of Scotland, standing on volcanic ash and rocky cliffs. Compared with most European cities, Edinburgh has a superior geographical position and is the center of the southern lowlands.