Dutch student Gerald Van de Puppe inquires about a new housing estate during a human residential environment exhibition in Hangzhou, east China's Zhejiang Province, May 19, 2012. Gerald, who studies in Zhejiang University in Hangzhou, has been fascinated by Hangzhou's natural and living environment after one year of study here. He thought he would probably find a job and stay in Hangzhou after graduation from Zhejiang University, so he decided to buy a house in Hangzhou.