[1] Tsinghua Univ, Sch Architecture, Room 501,New Architecture Bldg, Beijing 100084, Peoples R China
[2] Beijing Univ Technol, Coll Architecture & Urban Planning, Beijing 100124, Peoples R China
[3] East China Univ Sci & Technol, Dept Landscape Planning & Design, Shanghai 200237, Peoples R China
[4] Tsinghua Univ, Minist Educ, Hang Lung Ctr Real Estate, Key Lab Ecol Planning & Green Bldg, Beijing 100084, Peoples R China