1. School of Geography and Planning, Sun Yat-sen University, No. 135, Xingang Xi Road, Guangzhou 510275, China
2. Land Consolidation and Rehabilitation Center of Ministry of Land and Resources, No. 37, Guanyingyuan West, Xicheng District, Beijing 100035, China
3. School of Architecture, University of Southern California, 3551 Trousdale Pkwy, Los Angeles 90089, USA