The old industrial area in the remote south of the county has been abandoned for a long time. Only those who want to take chances will come here to see if they can still pick up some scrap copper and scrap iron.

In a dilapidated waste water treatment pipeline, several ragged people are eating food that their companions brought back from the outside.

"Grandma, want to eat out of the mountains and seafood, drink Jade Dew Jelly, and now it has fallen to eat these junk food!" A big man with a pockmarked face spit out a mouthful of bread and said angrily.

"Ma Zi, this is a very special...