in　a　school　there　is　a　team　of　blind　children .　they　have　great　difficulties　in　crossing　the　road .　one　day ,　the　headmaster　had　a　good　idea .　he　built　a　special　road　for　them .　he　had　many　flowers　planted　　on　both　sides　of　the　road .they　give　off　a　fragrant　smell .　every　day ,　the　children　come　to　school　in　a　line　along　the　smell .　now ,　they　live　a　happy　and　colourful　life .