Some people in China were wondering if the end of days was approaching when they witness an enourmous mushroom cloud over Bejing.
Well, Bejing and the rest of the world are still kicking.
The formation is thought to have been a giant cumulonimbus – a towering vertical cloud which is typically associated with thunderstorms.
The formation took just over an hour, reports China Daily.
Footage of the mysterious cloud has been released on YouTube from what appears to be a high-rise building.
ake a look below: