https://www.coasttocoastam.com/article/watch-puzzling-trio-of-floating-lights-filmed-in-argentina/
At least in some cases the 3 lights are indicative of a physical triangular shaped vehicle. Of course since everything is composed of energy, some of these crafts might overlap between two quantum states of reality. Or, some are visiting in a total non-physical form in this reality or universe.
https://inexplicata.blogspot.com/search?q=A+Triangular+UFO+Over+Argentina
https://inexplicata.blogspot.com/search?q=triangular+lights
https://inexplicata.blogspot.com/search?q=mysterious+lights
