Residents of Changzhi in Shanxi province may find themselves branded if they swear, spit, drop litter or commit other anti-social acts.
A mainland friend of mine recently visited Hong Kong on a package tour and was astonished by his experience.
I have read a number of letters in these columns about the rudeness of Hong Kong people. I was born here, but brought up in Pakistan. I returned in 1993 and work for a Chinese company.
Many people write to complain about the rudeness of Hong Kong people. However, behaviour such as pushing and failing to offer a seat to a person, is also common in other countries.