Personally I'm leaning to smoke ring, as for the source who knows.
Yeah I know I spoil all the fun.
Video at the link.
Is this a UFO? Eerie video shows bizarre black ring hovering over village before vanishing into thin air
The video has been viewed and shared thousands of times on various sharing sites with users all speculating as to what could have caused the spooky sight.
While some are convinced the shape is a UFO and proof of extra-terrestrial life, others are slightly more sceptical, saying it could be the result of cigarette smoke.
The clip has been watched on YouTube almost 50,000 times.