Edited sentence: In China, there were incidents of abuse and torture due to the Mandarin-speaking North and Central Chinese's intolerance toward Southern Chinese of different languages and cultures.One severe case involved a group of North-cum-Central-China-origin Chinese' collective abuse of a person from Zhejiang.Recently, a couple of reports in the United States of America and Europe have surfaced that people from South China(including Zhejiang) had been subjected to collective abuse and violence by people from North and Central China due in part to cultural and regional differences.The Wu-language in Zhejiang is not taught at local schools, nor the regigion's culture represented in the public and official culture.The government's continuing promotion of culture and language practiced in North and Central China (China Proper) as the official culture and language in China today has made Mandarin the only standard language used and taught at schools nationwide.This situation continue fostering the internal hierarchical relationship between Northern Chinese and the Southern Chinese