September 11th. It is a day that carries a lot of meaning in America. 13 years ago two hijacked airplanes crashed into the North and South Towers of the Word Trade Center in New York City, a third plane crashed into the Pentagon in Washington, D.C. and a fourth plane crashed into a field in Shanksville, Pennsylvania. All told, the nearly 3,000 people died as a result of the attacks. In the years since, the area where the Twin Towers collapsed, known