1. School of Architecture and Allied Art, Guangzhou Academy of Fine Arts, Guangzhou 510006, China
2. School of Architecture, Planning and Preservation, Columbia University, New York, NY 10027, USA
3. Department of Landscape Architecture, Heilongjiang Ecological Engineering College, Harbin 150025, China
4. School of Planning, Design, and Construction, Michigan State University, East Lansing, MI 48824, USA