In the video clip, which advances at hourly intervals, the smoke appears as light brown, with thin clouds showing as white and thick clouds appearing purple. As well as demonstrating the massive ...

A GIGANTIC skull has ominously appeared in clouds of smoke billowing from a massive wildfire around Mount Vesuvius. This gigantic Italian volcano is famous for wiping out the ancient city of ...

The unusual smoke came from a fertilizer factory, prompting several inquiries about the health hazard. Residents of Zhumadian in the Chinese province of Henan filmed strange purple clouds in the city ...