WUHAN, CHINA - OCTOBER 18: (CHINA OUT) Potential buyers view apartment models during the Wuhan Autumn Real Estate Trade Fair on October 18, 2008 in Wuhan of Hubei Province, China. China sees a worsening slump in the real estate market, which has resulted in four months of consecutive drops in housing prices in major cities. At least 18 Chinese cities, including Shanghai, Guangzhou, Hangzhou and Xian, have announced detailed policies to boost their property market. (Photo by China Photos/Getty Images)