From the Standard:

The darkest side of China’s miraculous economic takeoff is probably its ever-widening wealth gap, which has become a major source of social unrest.

The striations in Chinese society from 26 years of economic reform and opening up run in a remarkable number of different directions: between the eastern coastal and inland regions, between urban and rural residents, and between the differing levels of society itself. The rich are becoming richer and the poor poorer.