Bin Wang, first grade registered architect, is research associate of Laboratory of Urban Process Modeling and Applications (UPMA) of Peking University in Beijing since 2013. He was chief architectural and traffic connection designer of metro Line 5 and 10, and chief interior designer of metro Line Yi Zhuang in Beijing, as well as key planner of Pu Dong Software Park in Shanghai. The years’ experience in practical fields and the interests in perception and preference of human made him to be a research planner. His current study is on walkability of city and travel comfort, trying to find out what and how environmental factors affect people’s behavior.