admit they're not really sure. we do know the origin of a remarkable tribute to the soldiers and civilians who lost their lives during the d-day landings nearly 70 years ago. volunteers stenciled 9,000 silhouettes in the sand on a beach in normandy in a project called "the fallen." the artists wanted to give a human perspective to the invasion that changed the course of world war ii. a few hours later, the tide washed them away, a reminder of the tragedy of war. our cup run is over. we'll tell you how it all turned out for team u.s.a. next. ,,