Every school day, Xiang Yuncui gets up at 5 a.m. to make breakfast for her 7-year-old granddaughter, Tan.Yuncui then puts Tan on her back and, together, they travel 10 kilometers (about six miles) over mountainous terrain to Tan's school in southwest China, a trip that usually takes around two hours, ITN News reports.Tan has cerebral palsy and can't walk on her own.