*Yasuhiko TAMURA¹, Yuichi S. Hayakawa², Masashi Morita³, Chiaki T. Oguchi⁴, Keisuke Ogata⁵, Takuro Ogura⁶ (1.The Executive Committee for the Preservation of TAYA CAVERN , 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Faculty of Urban Innovation, Division of Urban Innovation, Yokohama National University, 4.Graduate School of Science and Engineering, Saitama University, 5.Department of Cultural Property, School of Literature, Tsurumi University, 6.Graduate School of Education, Hyogo University of Teacher Education)

*Yu Takagi¹, Takuro Ogura², Yasuhiko TAMURA³, Chiaki T. Oguchi⁴, Yuichi S. Hayakawa⁵, Masato Sato⁶, Tsuyoshi Hattanji⁷ (1.Graduate School of Science and Technology, Degree Programs in Life and Earth Sciences, University of Tsukuba, 2.Graduate School of Education, Hyogo University of Teacher Education, 3.The Executive Committee for the Preservation of TAYA CAVERN, 4.Graduate School of Science and Engineering, Saitama University, 5.Faculty of Environmental Earth Science, Hokkaido University, 6.National Research Institute for Earth Science and Disaster Resilience, 7.Faculty of Life and Environmental Sciences, University of Tsukuba)

*Kenta Saito¹, Tsuyoshi Hattanji², Takuro Ogura³, Takahisa Furuichi⁴, Yasushi Tanaka⁵, Shoji Doshida⁶ (1.Graduate School of Science and Technology, University of Tsukuba, 2.Faculty of Life and Environmental Sciences, University of Tsukuba, 3.Graduate School of Education, Hyogo University of Teacher Education, 4.Forestry and Forest Products Research Institute, 5.Faculty of Letters, Komazawa University, 6.National Research Institute of Fire and Disaster)

*Shiori Matsumoto¹, Tsuyoshi Hattanji², Takuro Ogura³, Takahisa Furuichi⁴, Shoji Doshida⁵, Tanaka Yasushi⁶ (1.Graduate School of Science and Technology, University of Tsukuba, 2.Faculty of Life and Environment Sciences, University of Tsukuba, 3.Graduate School of Education, Hyogo University of Teacher Education, 4.Forestry and Forest Products Research Institute, 5.National Research Institute of Fire and Disaster, 6.Faculty of Letters, Komazawa University)

*Taiyo Kajita¹, Tsuyoshi Hattanji², Takuro Ogura³, Doshida Syoji⁴, Takahisa Furuichi⁵, Tanaka Yasushi⁶ (1.Graduate School of Science and Technology, University of Tsukuba, 2.Faculty of Life and Environmental Sciences, University of Tsukuba, 3.Graduate School of Education, Hyogo University of Teacher Education, 4.National Research Institute of Fire and Disaster, 5.Forestry and Forest Products Research Institute, 6.Faculty of Letters, Komazawa University)

*Takuro Ogura¹, Yuki Sakamoto², Kanato Ando³ (1.Graduate School of Education, Hyogo University of Teacher Education, 2.Faculty of Urban Environmental Sciences, Tokyo Metropolitan University, 3.Faculty of Science and Engineering, Chuo University)

*Tennyson Lap Wing Lo¹, Yuichi S. Hayakawa², Yasutaka Nakata³, Masato Hayamizu⁴, Takuro Ogura⁵ (1.Graduate School of Environmental Science, Hokkaido University, Japan, 2.Faculty of Environmental Earth Science, Hokkaido University, Japan, 3.Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Japan, 4.Forestry Research Institute, Hokkaido Research Organization, Bibai, Japan, 5.Graduate School of Education, Hyogo University of Teacher Education, Japan)

Kanami Suzuki¹, *Tsuyoshi Hattanji², Takuro Ogura³, Takahisa Furuichi⁴, Tanaka Yasushi⁵, Shoji Doshida⁶ (1.Graduate School of Science and Technology, University of Tsukuba, 2.Faculty of Life and Environmental Sciences, University of Tsukuba, 3.Graduate School of Education, Hyogo University of Teacher Education, 4.Forestry and Forest Products Research Institute, 5.Faculty of Letters, Komazawa University, 6.National Research Institute of Fire and Disaster)

*Yunhua YANG¹, Takashi Oguchi^1,2, Hiroyuki Yamauchi¹, Takuro Ogura³ (1.Dept. of Natural Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.Faculty of Life and Environmental Science, University of Tsukuba)

*Yasuhiko TAMURA¹, Chiaki T. Oguchi³, Yuichi S. Hayakawa², Takuro Ogura⁴ (1.The Executive Committee for the Preservation of TAYA CAVERN , 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Graduate School of Science and Engineering, Saitama University, 4.Graduate School of Education, Hyogo University of Teacher Education)

*Takuro Ogura¹ (1.Graduate School of Education, Hyogo University of Teacher Education)

*Kotaro Iizuka¹, Hiroyuki Yamauchi², Takuro Ogura³, noritama @noritama_vrc⁴, Kuroly @Kuroly7⁴ (1.Center for Spatial Information Science, The University of Tokyo, 2.Graduate School of Frontier Sciences, The University of Tokyo, 3.Hyogo University of Teacher Education, 4.VRC Science Assembly)