1、 Because they are most familiar with their own culture and lead their own life according to the cultural practice,so they continuously justify their culture when it is disdained by other culture since their culture is the representation of themselves and everybody take it for granted that their own things are inrepproachable.
2、Beijing Opera,Calligraphy,Chinese Medicine,Food Culture,not proud of Men enjoying higher status than women,giving birth to too many children only to get one boy.