TOMB OF THE UNKNOWN A member of the U.S. Army Honor Guard places a wreath at the Tomb of the Unknown Soldier in Arlington National Cemetery, Va., Dec. 11, 2010. More than 7,000 volunteers placed 24,000 wreaths on the headstones of fallen troops. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 598643-R-AVM58-933.jpg Photo Gallery