Lost Towers: Inside the World Trade Center Cleanup

September 11th, 2001 changed the face of New York City forever. 7 towers lay in ruins-and 2,900 people were lost.

New York's construction workers reacted by rushing to the scene-using their special skills to rescue the living and recover the remains of the dead.

The city's real estate developers, contractors and public officials had private profit and restoring business as usual as their first priorities.