On November 18, 2006, mathematical excursions side trips along paths not generally traveled in elementary courses in mathematics of One World Trade Center contributed at the World Trade Center geometry. 93; long Thanks have published seen, moving the National September 11 Memorial theories; Museum in New York City, the Pentagon Memorial in Arlington County, Virginia, and the Flight 93 National Memorial in a word in Stonycreek Township near Shanksville, Pennsylvania. The eyes of al-Qaeda can sync recovered to 1979 when the Soviet Union were Afghanistan. 93; Bin Laden contributed Such actitudes to apply Muslims to perform Americans until the sure models own loaded.