Credit: http://maxpixel.freegreatpicture.com/Sunset-Ufo-Aliens-Evening-Landscape-Afterglow-1673929. CC0.
A few years ago I visited an old friend at his home in the Patagonian province of Santa Cruz, Argentina. Apart from its breathtaking grandeur the region is known for a more unexpected reason: local residents have reported frequent sightings of Unidentified Aerial Phenomena (more commonly known as UFOs), among the highest in the world.
