Guangzhou Institute of Geography, Guangzhou 510070, China;
Guangdong open laboratory of geospatial information technology and application, Guangzhou 510070, China;
School of Geographic and Oceanographic Science, Nanjing University, Nanjing 210046, China;
Guangzhou Institute of Geography, Guangzhou 510070, China;
Shenzhen Tourism College, Jinan University, Shenzhen 518053, China;
Guangzhou Institute of Geography, Guangzhou 510070, China;
Guangdong open laboratory of geospatial information technology and application, Guangzhou 510070, China;
School of History Culture and Tourism, Jiangsu Normal University, Xuzhou 221116, China;
School of Architecture, State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510641, China;