[1] Guangzhou Institute of Geography,Key Lab of Guangdong for Utilization of Remote Sensing and Geographical Information System, Guangdong Open Laboratory of Geospatial Information Technology and Application
[2] Guangdong Academy of Sciences,School of Geography and Planning
[3] Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou),School of Tourism Sciences
[4] Sun Yat-Sen University,undefined
[5] Beijing International Studies University,undefined
[6] Research Center of Beijing Tourism Development,undefined