In the immediate wake of the terrorist attacks of September 11th, New York City fire fighters, police officers and construction workers faced the daunting task of finding survivors and cleaning up the burning rubble that was once the World Trade Center. Without hesitation these workers rose to the occasion and embraced their call to duty. When historians sit down to write about September 11th and its aftermath, they will have to reserve a page of History for the workers at ground zero whose tireless efforts saved lives and helped New York City rebuild itself. Here is the story of workers at ground zero. Photography by Sam Hollenshead.