The seabed of the world's oceans is filled with black potato-shaped polymetallic nodules, containing rare-earth metals. These metals can sustain the world's energy needs for centuries, and China has already begun building a healthy lead over its peers in the competition for these deep-sea minerals.
![](https://freedomgazette.in/wp-content/uploads/2021/02/Jose-e1612425594954.jpg)