|Unidentified flying objects (UFO) were named any real or obvious flying objects which cannot be identified by the observer and which remains unidentified after investigation. UFO is usually used to refer to any hypothetical alien spacecraft. Sometimes the term flying saucer is used.
People started to see various unusual aerial phenomena long ago in ancient times, but reports of UFO sightings became more common after the first widely publicized U.S. sighting in 1947. Since then UFOs have been seen worldwide.
And there are places where UFOs are seen more frequently than in any other sites. Read here about such spots and head to see this phenomenon.
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