Twenty-One Steps

Spc. Brett Hyde, Tomb Sentinel, 3d U.S. Infantry Regiment (The Old Guard), takes his twenty-one steps across a water soaked mat while guarding the Tomb during Hurricane Sandy at the Tomb of the Unknown Soldier, Arlington National Cemetery, Va., Oct. 29, 2012. The Tomb is guarded 24 hours a day, 7 days a week. Snow, rain, wind or heat has never stopped the Tomb Sentinels from guarding the tomb for over 64 years.
Credit: U.S. Army Photo by Sgt. Jose A. Torres Jr


Photograph, one of 34 showing the effects of Sandy, collected by the staff at Live Science.