With so many people looking to the stars and beyond, it’s easy to dismiss what is often right under our noses.
Hidden under the earth is an entire other world to discover - explorers dedicate their lives to follow labyrinths in deep caves, with one man even spending months underground.
The Faroe Islands have been spending a whopping $700 million on an underground network of roads, which includes the world’s first underwater roundabout.
On the other side of the world in Australia, you’ll find an entire town buried beneath the earth.
In the small town of Coober Pedy, just north of Adelaide, they take the phrase ‘down under’ to a whole next level as residents live underground to escape the extreme heat they face.
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But that is not all you will find if you venture below the soil - hidden deep underground are also secretive vaults that hold £250,000,000,000 ($321,900,000,000) worth of gold.
In a video uploaded to YouTube by World Gold Council, actor Idris Elba visits these vaults.
He starts the clip off by saying: “A stone throw from where I grew up, in the square mile of London's Financial District, they say the streets are paved with gold and that isn't as far-fetched as it sounds.”
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Visiting the Bank of England, Elba says that he cannot reveal the route they take to reach the secret vaults, adding that all he can say is that it is ‘deep underground’.
He goes on to say that he reached, “what is without a doubt, the thickest steel door I have ever seen.”
“That is a lot of gold,” the actor states as he walks into the large room, surrounded by countless bars of gold. An expert estimates there are around 400,000 bars in the space.
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“This is really unreal,” Elba adds. “It takes your breath away.”
Taking to the comment section to share their own surprise, one user posted: “Opened my eyes to see a new world of gold. It means a lot, not only wealth.”
Another person added: “The fact that this is up for free on YouTube is crazy. What a cool documentary!”
A third said: “It is really a wonderful adventure, finding gold, it is very hard work, full of mystery, old ancestral stories, but it is fascinating. What a good documentary.”
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While a fourth added: “And indeed Gold is power, big up Mr Idris for this masterpiece.”