ammani balure. by some estimates, nearly half a million people have lost their lives, 6.6 million displaced. above ground, entire neighborhoods left destroyed and desolate. so below ground they went. here, 65 feet below the surface is a hospital they call "the cave." >> it's scary, because you feel, you don't have any, anyplace safe. >> reporter: here in the cave, dr. ammani is in charge, the lead doctor at only 28 years old, a nearly impossible feat for a woman in syria, but not for a woman like her. you wanted to do what girls don't get to do. >> i dreamed of it. i know i can do something different. i have this idea very early when my sister get married 13. >> reporter: 13. >> yeah, i didn't want that. i wanted to come with my study. and i insist to do that, but all people around me and my family, they refuse that, because because i'm female. >> reporter: against her family's wishes she began studying to be a pediatrician as bashar bashar al assad began waging war against his own people. by then h