The column chart above clearly reflects the changes in the statistics between urban and rural population in China during the past two decades. For urban dwellers, there was a noticeable jump of 360 million from 300 million to 66 million between 1990 and 2010. By contrast, a remarkable decline occurred in the number of rural population by 160 million from 820 million to 660 million during the same period.

　　At least three primary contributors account for such changes. First and foremost, there is a much nicer choice of options available in cities and towns, across the broad. There are more jobs to choose from, different kinds of companies and types of work. In addition, big cities offer much more excitement and stimulation, partly as a result of all the various options available in so many areas. More importantly, people prefer to live in cities and towns for the convenience of the transportation system. It would have a well developed bus, subway, highway and airport transportation network.

　　Generally speaking, people in expanding numbers would prefer to live in cities and towns which offer a rich variety of many options, whether it be for jobs, leisure, cultural or intellectual activities. At the same time, people like the energy and stimulation of a big city environment and the convenience of a well-developed transportation system. (221 words)