Tomb of the Unknowns caught in battle

ARLINGTON, Virginia (CNN) - The Tomb of the Unknowns at Arlington National Cemetery is at the center of combat between preservationists and cemetery officials.
The giant marble sarcophagus marking the location of unknown U.S. service members has been battling the elements since it opened to the public in 1932. More than 70 years later, it is showing the scars, with cracks encircling it. Continued

Photo: John Collier 1943, FSA/OWI