In Africa, there is an abandoned mine that has been closed for 11 years. Western countries assert that whoever invests in this mine must lose money. To everyone's surprise, China spent $1.1 billion to buy its mining rights. At that time, the Western media laughed, "China must have lost a lot money this time." Unexpectedly, 20 years later, China not only "turned waste into wealth", but also made a lot of money. How did China make it? Why would it buy an abandoned mine? OK, that and more is exactly what we are going to talk about. Let’s get started!