Nine-year-old Tyler Artman, of Natrona Heights, Pa., takes a moment from looking at the temporary Flight 93 National Memorial to glance back at his mother after the remembrance service in Shanksville, Pa., on Thursday, Sept. 11, 2008. Artman was two years old when 9/11 occurred but says he can recall the planes crashing into the twin towers. Michelle Bixby/Centre Daily Times