Buchenwald Memorial Commemorates 70th Anniversary Since Liberation

WEIMAR, GERMANY - APRIL 12: U.S. Ambassador to Germany John B Emerson (L) and his wife Kimberly Marteau Emerson (R) look at an exhibition at the Buchenwald Nazi concentration camp during the marking the 70th anniversary of the camp's liberation which takes place at the Buchenwald memorial on April 12, 2015 near Weimar, Germany. The Nazis began incarcerating mostly political prisoners at the camp in 1937, and later added Jews and prisoners-of-war in an operation that provided slave labor for factories in the region. An estimated 56,000 prisoners died at Buchenwald before its liberation by U.S. troops on April 11, 1945 following an uprising by prisoners. (Photo by Jens Schlueter/Getty Images)