Workers have placed the first piece of steel above ground at the World Trade Center's new transportation hub.

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The 10-ton piece of steel swung above a deep rectangular pit at the construction site Monday before workers secured it to the ground.

It's the first of more than 600 pieces of steel that will comprise the hub.

When completed in 2015, the hub will be shaped like enormous white wings about to take flight.

It will connect 13 subway lines and PATH trains to New Jersey and serve more than 100,000 daily commuters.

The hub will replace the temporary PATH station that was built after the Sept. 11, 2001 terrorist attacks.


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