“””””With advanced technology it would be possible to carve out paradises in areas of the planet previously thought inaccessible or unusable.”””””
The catch all of them being magic, we can’t detect their factories and mining, and carving vast cities under us, but they are sure clumsy when they fly around in factory made aircraft.
Imagine you are an Amazonian tribe.
There are rumors of strange folks from distant lands but you almost never see any.
Then one day an airplane crashes near you.
How could such amazing people with such magical powers have an airplane crash?
It is a mystery.
Lol.