harriet is keen for them to bring their skills back to ghana. 15 years ago, she moved to dusseldorf. she worked there as a cleaning lady, and sent her savings to ghana to build an orphanage. she looked for sponsors and donations, and founded the organization african angel. for a long time, the children and students didn't know that harriet had to scrub toilets in dusseldorf to finance their education. that came as a surprise. >> what did you feel? james: humility, at the peak. if someone like mommy is this humble and cleans toilets to get money together for, let's say, me -- i have no reason to say i'm not learning. and that applies to all of us. mary: for me, i didn't know what to say, because i wasn't going to school, and for someone to clean toilets just to take care of me -- i was really happy. i didn't know what to tell her, because i wasn't going to school, i had nowhere to go. so just to have that chance to go to school -- ok for me. reporter: one of the students, mary, comes from bucum, a poor neighborhood in the ghanaian capital accra. her parents were unemployed, and unable