XIAN, CHINA - APRIL 18: Two workers move a building model during a real estate fair on April 18, 2007 in Xian of Shaanxi Province, China. According to data with the National Development and Reform Commission (NDRC) on 70 major cities, prices continued to rise in China's real estate market last month, with Shenzhen, Changsha, Beijing and Guangzhou leading cities in the price hikes. The statistics shows that new housing was on average six percent more expensive in March month-on-month.