The significance of the study of Hangzhou snacks, value (online, etc.)

Hangzhou is a place where the regional culture is very distinctive, snacks are a cultural entry point, can see the heritage of Hangzhou. Hangzhou people's living customs, habits, can be seen. Thus comparing Hangzhou with the difference with other places these are sets of words, their own set, they choose a snack to write, I guess Hangzhou seems to have no famous snacks