Students do Drop, Cover and Hold On earthquake drill at university in Vancouver

Students do a Drop, Cover and Hold On earthquake drill at University of British Columbia in Vancouver, British Columbia, Canada, on Oct. 20, 2022. (Photo by Liang Sen/Xinhua)

Students do a Drop, Cover and Hold On earthquake drill at University of British Columbia in Vancouver, British Columbia, Canada, on Oct. 20, 2022. (Photo by Liang Sen/Xinhua)