Zhen is one of millions of migrant workers who have left their rural homes to find better employment in factories in Guangzhou, Shenzhen, Suzhou and elsewhere in the Pearl River and Yangtze River deltas. Like Zhen, most expect that their wages and careers will improve with the relocation.

A report released by Fudan University at the beginning of the year says the average monthly income of Chinese migrant workers reached 1,200 yuan in 2007, an increase of 200 yuan over the previous year. The figure was around 500 to 800 yuan in 2005. Comparatively, a rural Chinese worker averaged 360 yuan a month in the same year, according to the National Statistics Bureau.

For the past three decades, it has been the longing to live better and learn more that has pushed these young laborers to leave their mostly rural hometowns. These migrant workers feed their dreams in cities primarily along the eastern or southern coasts - which required a large amount of men and women to work in the growing factories.

As these cities continue to expand, these young workers' ambitions grow with them, coming together to forge the strength to power a factory, a city's growth and a country's development.

China's migrant workers now account for more than 13 percent of the country's population. The provinces of Sichuan, Hunan, Hubei, Jiangxi and Guangxi Zhuang Autonomous Region are areas that have seen the greatest outflow of migrant workers.

A research report published in January 2006 in the Study Times showed in 2004, Sichuan province had 14.9 million migrant workers. This number, accounting for 30 percent of Sichuan's population, is equal to the total population of a medium-sized country. And 2 million rural households in the province saw the whole family working outside the province.

This phenomenon is by no means a mere transfer of rural laborers, rather it's a massive social change from farmers to workers and a mass migration from rural areas to cities, or "urbanization".