18-year-old Xie Xu met his 19-year-old classmate Zhang Chi at school . Zhang has muscular dystrophy , a condition which makes it difficult to walk . Xie has been carrying Zhang to and from school each day for three years . The two became friends after they were introduced by their teachers in the same class. Both boys are the top of their class and hope to go to university .
18-year-old Xie Xu met his 19-year-old classmate Zhang Chi at school . Zhang has muscular dystrophy , a condition which makes it difficult to walk . Xie has been carrying Zhang to and from school each day for three years . He helps him wash his clothes , get his meals , and get to classes . Both boys are the top of their class and hope to go to university .