Every teacher in Liuzhou Min Zu Primary School knows about Mr. Jin Wence's "treasures". What are the treasures?---- Those are investigation papers finished by Mr. Jin's students. Mr. Jin is a teacher of Grade 6,who organized his students to carry out an investigation entitled "I Love My Hometown--- Liuzhou". Students managed to complete various reports on Food, Culture and so on. They all said that the activity made them learn more about their own city.