Pictures of the Decade : Smoke from the remains of New York's World Trade Center

Smoke from the remains of New York's World Trade Center shrouds lower Manhattan after the September 11 attacks. It was the day the world will never forget -- September 11, 2001 People watched in disbelief and then horror as two airplanes hijacked in the name of al Qaeda leader Osama Bin Laden slammed into the twin towers of New York's World Trade Center, killing nearly 3,000 people. The 9/11 attacks heralded a new era for world security, triggered an invasion of Afghanistan by the United States and its allies. Taken on September 12, 2001 by Ray Stubblebine