Once every 50 years, a region in north India is attacked by an army of rats!!!

The local farmers call it a flood; an inundation that happens every 50 years.

Others believe it to be an act of God, an inevitability.

It isn't water flooding the precious farmland in north-eastern India, but rats.

A once in a generation, gigantic plague of rats, that ruins crops and leaves people starving.

A rat army so big, so mythical, that until now some scientists did not believe it was real. More...

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