Twin Towers By alexangel Sep 11, 2001 Plane 2 Asecond plane crashed into the world trade center and explodes. Sep 11, 2001 Pentagon The portron of the pentagon burns and collaspes. Sep 11, 2001 North Tower The worlds trade centers north tower collaspes. Sep 11, 2001 First tower The first tower falls. Sep 11, 2012 911 We all remenber about 911