Mystery landing gear
, April 28, 2013
New York City Police officers guard a door in front of 51 Park Place, where a piece of airplane landing gear was discovered, in New York on April 27.
A piece of landing gear believed to be from one of the commercial airplanes that crashed into the World Trade Center on September 11, 2001, has been discovered, wedged between two lower Manhattan buildings, police said on Friday. Reuters/Keith Bedford