Books are seen on display at National Geographic’s “Titanic: 100 Year Obsession”, on the first day it is opened to the public March 29, 2012, in Washington, DC. The National Geographic Museum unveils a new exhibition to mark the 100th anniversary of the Titanic, including the first images of the wreck, taken in 1985 by a National Geographic explorer, and more recent footage shot by film director James Cameron. AFP PHOTO/PAUL J. RICHARDS (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)
