Fig. 6From: Report on the 18th International Symposium on Geo-disaster Reduction and the 4th Gu Dezhen Lecture, 20–22 November 2020, Beijing, ChinaPlenary lectures presented by Prof. Qingyun Di (a), Prof. Yu Huang (b), Prof. Lijun Su (c) and Prof. Xiwei Xu (d) offlineBack to article page