These life-size figures, shown here during excavation at the emperor's burial complex near the city of Xi'an in China's Shaanxi Province, are more than 2, 200 years old.

The development of tertiary industry in Xi'an also affects the change of construction land, and this impact is gradually strengthening.

There are many big shopping centers, department stores and supermarkets in and around Xian city - the biggest and most comprehensive being Kai Yuan Shopping Mall and Century Ginwa Shopping Mall.

In March, IBM opened a predictive analytics lab in Xi' an, China, to help business clients such as Xi' an City Commercial Bank anticipate customer trends before they occur.

The trend forecast indicates that the major problems of Xi'an urbanization in the future is the shortage of land resources.