André Huan https://youtu.be/ahUbx93zZ-I
In the region there are thousands of ancient artifacts, the megaliths.
These spheres of energy, through teleports to materialize and are driven by energy from the places where these ancient artifacts.
Now many of these areas controlled by aliens, energy spheres transmit energy and information can influence people and matter.
Materialize in the visible light spectrum is very rare, usually this happens when the aliens in this region do something hard.