Two Hasidic men nervously survey the financial district, in the wake of the terrorist attack that destroyed the Twin Towers of the WTC.

Families come to a wall set up for missing victims outside Bellevue Hospital.

Clean-up workers vacuum the streets of the financial district for Monday's opening of the stock exchange.

National Guard soldiers provide security in the financial district, close to the WTC, prior to one of many bomb scares that occured in the NYC area.

Thousands gather in New York's Union Square, to reflect on those lost.