People react during the commemoration ceremony at the new monument for victims of the Babi Yar massacre in Kiev, Ukraine, Tuesday. More than 33,700 Jews were rounded up and shot at Babi Yar over 48 hours beginning on Sept. 29, 1941.
In the ensuing months, the ravine was filled with an estimated 100,000 bodies, among them those of non-Jewish Kiev residents and Red Army prisoners of the Nazis.