TRAIL OF TEARS: With the help of a patient (left) nurse’s aides mop up after "Bireeh” at the Bahar Dar Fistula Hospital. The women are former fistula patients themselves. They work as nurse’s aides preparing patients for intimate surgery and cheerfully mopping up the unending puddles and trails of urine. Most are illiterate, but uniquely able to communicate with their fragile and frightened patients.