1. Cooperative Innovation Center for Digitalization of Cultural Heritage in Traditional Villages and Towns, Hengyang Normal University, Hengyang, China
2. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
3. International Centre on Space Technologies for Natural and Cultural Heritage under the Auspices of UNESCO, Beijing, China
4. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
5. College of City and Tourism, Hengyang Normal University, Hengyang, China
6. Department of Geography, Harokopio University of Athens, Kallithea- Athens, Greece