This is a "tasteful" video... The location where Xiaoxin is located is an enterobacteria bank in Beijing, and many people call it "poo bank".
What does the enterobacteria bank do?
Why would anyone call it a "poo bank"?
How does it work and what is it useful for?
Xiaoxin will show you the truth!
(Reporter Wen Mengxin)
Editor in charge: [Ji Xiang]