par parwana. we have this exclusive report. . reporter: an iranian love song plays going through a northwestern valley in northern afghanistan. in the back of his station weigh sn a mother and six children who just left behind a life of constant struggle and hardship. all ave ever known. among them 9-year-old parwana. our cameraman asked how she s feeling. i m so happy, she says, with a smile. cnn met parwana dressed in pink in an internally displaced camp in a province back in october. her father claims he was selling her to feed the rest of the family. as a humanitarian crisis grips the country. he d already sold his 12-year-old into marriage, and told cnn that unless his