dr. attar's pictures of aleppo. >> attar: i remember another child that was brought in, she couldn't have been more than five. her whole body was pockmarked with shrapnel, from her chest to her belly, and one of the surgeons in aleppo, a syrian surgeon, heroically rushed her to the operating room, and opened up her belly, and stopped the bleeding in her liver. but she had lost so much blood. we can't. you can't give all of your blood to save one life, if you can save it to give a little bit each to five, who you know will make it. and i saw that all the time. >> pelley: did that little girl make it? >> attar: that girl? no, she did not. seeing little bodies wrapped in white shrouds-- with the cloth still bleeding, because the bodies still bleed. they'd be wrapped in white shrouds and just placed outside, to be taken to be buried. >> pelley: six-year-old mohammad kament was destined for a burial sahis fe. mm's hse had beea unettae to se. >> attar: memberim, because he lost his mother and his siblings and both of his legs. the day before i left aleppo, he asked me to bring back robotic legs

dr. samer attar: you work with the understanding that you might find yourself dead, or crippled, or dismemberedor next to the people you're trying to save. >> wertheim: when the fog rolls in over san francisco, the skyscrapers live up to the name. among them, the millennium tower, 58 stories of opulence. opened in 2009, it was the