On October the 29th, in just a matter of hours, a year's worth of rain fell in parts of Spain.

Valencia on the Mediterranean coast was the hardest-hit region.

Flash floods there claimed more than 200 lives.

This is the worst natural disaster in Spain's recent history. In their wake, the floods left

entire streets caked in stinky, sticky brown mud. Cars thrown together in piles debris everywhere. Legions of locals do what they can to clear,

but it's barely scratching the surface. Meanwhile on social media, many speculated about the causes

of this tragedy. One theory drew a lot of attention. The claim was that a secretive weapon

had supposedly been used to manipulate

the weather. The pedophilic western elites have activated the weapons of mass destruction.

They launched an electromagnetic pulse to trigger uncontrolled rainfall. Truth is stranger than fiction.

Through tweets like these, claims that the Valencia floods had been somehow engineered started spreading.

And very soon, posts and videos alleging there was nothing natural about this extreme weather

were raking in millions of views.

But how?

These crisis moments have become petri dishes for disinformation and forgetting those kinds of

false and outlandish claims into the general public.

Welcome to the documentary from the BBC World Service. I'm Marco Silver with BBC trending,

where we take an in-depth look into the world of social media.

For this episode, I've been tracking a new trend I've been following for months.

Social media claims that extreme weather events like the Valencia floods

are not natural phenomena at all,

but rather the result of a supposedly secretive weapon being deployed.

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