Warning: This gallery contains graphic images. Parental guidance is advised.
Photograph by Philip Jones Griffiths/Magnum
Five-year-old Tran Thi Hong suffers from spina bifida. She cannot lie down and is frightened not to be held by someone at all times. When the weather changes, especially sunshine to rain, she becomes epileptic. She has an affected brother and another brother and sister who are unaffected.