The Taliban 20 years ago harbored Osama bin Laden.

He master-minded the worst-ever terror attack from Afghanistan - using planes as missiles that struck three targets in the United States.

It changed the landscape in New York, at the Pentagon, and in a field in Pennsylvania.

And it also changed the world.

Our reporter Nathan King remembers being in New York City that fateful day on September 11th, 2001.

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