A mass sighting of a mysterious and some would say frightening smoky ring hovering in the daytime sky over China has been reported by many online news outlets, and filmed by many witnesses:
Unusual footage from China. There was a mysterious object in the sky. Observers decided that it was ... UFOs. Others think it's a strange cloud. Then everything went away, and explanations were absent
Weird "ring" UFOs like this have been popping up a lot over this past year, and possible explanations include a nearby explosion or pollution. What do you think? Share your theories in the comments below or on Facebook, Twitter or Instagram.
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Related: Browse all recent "ring" UFOs spotted in Texas and the world