The World's Most Surreal Natural Phenomena Are Finally Explained

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​The Amazonian Tidal Bore Or Pororoca

When the Amazon River floods, a multitude of mysteries may happen and one of these includes the Amazonian tidal bore, also known as “Poporoca”. These never-ending waves appear twice a year and are a perfect example of a tidal bore.

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They can measure up to 4m while traveling at around 800kmph. Surfers from all over the country absolutely love riding them!