raisa: it's an ambivalent feeling.the one hand, as a professional, i make sure my pupils do everything right. but if they do everything right, then i'm overcome with emotion. >> today the babi yar ravine is overgrown with vegetation. the place where almost 34,000 people were shot dead in just two days is hardly recognizable. raisa escaped the murders because her ukrainian grandmother pulled her out of the line of the doomed. raisa: we just ran away, to the cemetery over there. my grandma ran until she couldn't run any more. then she fell to the ground. we huddled between the gravestones all night. >> raisa survived hiding in cellars until the nazis were defeated. many years ago, she encountered a german tour guide at another memorial site in poland. raisa: i looked at him and i could see he had taken the whole burden of the german nation's guilt upon himself. you understand? and that's when i reconciled with germany. before that, of course, i was embittered. >> today, raisa's husband is buried in the cemetery where she