YU Kongjian is a Doctor of Design at the Graduate School of Design, Harvard University, is an Honorary Foreign Fellow of the American Academy of Arts and Sciences and professor at the College of Architecture and Landscape at Peking University. YUAN Jia is an associate professor at the School of Architecture and Urban Planning, a research fellow at the Key Laboratory of New Technology for Construction of Cities in Mountain Area at Chongqing University, is a cooperative research fellow of the CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province at the Chengdu Institute of Biology, Chinese Academy of Sciences. Eckart LANGE is a professor in the Department of Landscape Architecture at the University of Sheffield.