College of City and Tourism, Hengyang Normal University, Hengyang, 421002, China
[Ren H.G.] School of Resource, Environment and Safety Engineering, Hunan University of Science and Technology, Taoyuan Road, Xiangtan Hunan, 411201, China
[Guo T.] School of Computer Science and Engineering, Hunan University of Science and Technology, Taoyuan Road, Xiangtan Hunan, 411201, China
Hengyang Base of the International Centre for Natural and Cultural Heritage of the UNESCO, Hengyang Normal University, Hengyang, 421002, China
[Quan B.] College of City and Tourism, Hengyang Normal University, Hengyang, 421002, China<&wdkj&>Hengyang Base of the International Centre for Natural and Cultural Heritage of the UNESCO, Hengyang Normal University, Hengyang, 421002, China<&wdkj&>School of Resource, Environment and Safety Engineering, Hunan University of Science and Technology, Taoyuan Road, Xiangtan Hunan, 411201, China