Robin Moulna, 38, a manager at a fast-food restaurant, was surprised to receive a call from his brother while waiting for an F train in the Rockefeller Center subway station, two levels underground.

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They tunnel down through the debris of the World Trade Center complex into the seven-story basement that once housed a bustling retail mall, subway station, and commuter train station.

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As the party wound down, the Nudists and I left Paul with his Couchsurfers, and heading back to the subway station to take the L train back to Manhattan, chatting about how strange it would be to have strangers constantly around, treating our apartments like free hostels.

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Clementi went to the campus food court, bought a burger, and, at about six-thirty, took the university shuttle bus to the rail station, where he took a train to New York, then a subway uptown.

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Some areas of the New York subway remain out of service, notably South Ferry station in Manhattan and the A train to the Rockaway peninsula, but miles of track were never touched by the flood.

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