We are all intrigued by the possibility of the existence of extra-terrestrial life, but does that mean we should push every strange phenomenon into the 'alien life bracket'? Not really. But that seems to be exactly what people enjoy doing. For instance, a mysterious black O-shaped cloud spotted over Lahore has made people come up with some really bizarre theories about its origin.
Seen floating over Lahore the¡°ominous cloud¡±?¨C as some have taken to calling it ¨C has left people dumbfounded.?
?A user said 'aliens' have arrived. Another cracked a joke and said owing to so much smog in the city, people are blowing smoke rings. Another user said that 'the aerial phenomenon was merely Lahore letting the world know it vapes'.
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According to reports, in 2015, a somewhat similar O-shaped black ring was seen in the sky in northern Kazakhstan. As per an?NBC?report, the ring disappeared after 15 minutes.
A British schoolgirl, Georgina Heap, in 2014 had recorded a video of the phenomenon on her smartphone. However, the mystery was busted after an investigation traced it to a pyrotechnic test at nearby Warwick Castle.
A similar phenomenon was observed over Florida in 2013 as a result of a fireworks test, and in Chicago in 2012, due to blowing up of an electrical transformer.
According to the news website, circular smoke vortices usually form after a blast through a circular structure, which could be from a factory or a homemade trashcan ring launcher.