Monday marks the 22nd anniversary of the Sept. 11, 2001, attacks on the Twin Towers, once the centerpiece of the World Trade Center complex.
Over the past two decades, the city has found countless ways to honor the solemn day and remember the tragic loss of some 3 event also includes six moments of silence to recognize when each of the WTC towers were struck and fell, when the Pentagon was attacked and when the hijacked Flight 93 crashed.
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