Laura Bicker
When you stand on the edge of Bayan Obo, all you see is an expanse of scarred grey earth carved into the grasslands of Inner Mongolia in northern China.
Dark dust clouds rise from deep craters where the earth’s crust has been sliced away over decades in search of a modern treasure.
You may not have heard of this town - but life as we know it could grind to a halt without Bayan Obo.
The town gets its name from the district it sits in, which is home to half of the world’s supply of a group of metals known as rare earths. They are key components in nearly everything that we switch on: smartphones, bluetooth speakers, computers, TV screens, even electric vehicles.
And one country, above all others, has leapt ahead in mining them and refining them: China.
This dominance gives Beijing huge leverage - both economically, and politically, such as when it negotiates with US President Donald Trump over tariffs. But China has paid a steep price for it.
To find out more, we travelled to the country’s two main rare earth mining hubs - Bayan Obo in the north and Ganzhou in the province of Jiangxi in the south.
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