helping each other makes the world wonderful为题写作文

last week ,I went to the library on the way ,I saw a Blind Man want to across the road ,but he looks very anxiety ,because his eyes couldn't saw the road ,when he was so mazed that he didn't know what to do ,a young man walked beside him to helps across the road ,Smiles appeared on their faces ,at that moment ,I think helping each other makes the world wonderful !