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Unfortunately, this isn't a trailer for a new Stephen King TV movie.

This cloud hovering near Barcelona, Spain today definitely does not have a silver lining. That's a good thing, because this orange toxic cloud was formed when nitric acid and ferric chloride were accidentally mixed and exploded. Nitric acid, obviously, is an acid and ferric chloride is...also an acid, used to rip apart sewage at a molecular level. Adding silver to the mix would just create fun new poisons.

Sources: BuzzFeed