Visitors learn about housing information during the Spring Housing Fair in Shenyang, capital of northeast China's Liaoning Province, April 18, 2013. The housing fair provided 13,640 apartments and many housing projects offered promotional sale measures. (Xinhua/Yao Jianfeng)

Visitors learn about housing information during the Spring Housing Fair in Shenyang, capital of northeast China's Liaoning Province, April 18, 2013. The housing fair provided 13,640 apartments and many housing projects offered promotional sale measures. (Xinhua/Yao Jianfeng)

A salesperson holds a board which says "Follow me and enjoy the lowest price" during the Spring Housing Fair in Shenyang, capital of northeast China's Liaoning Province, April 18, 2013. The housing fair provided 13,640 apartments and many housing projects offered promotional sale measures. (Xinhua/Yao Jianfeng)