U.S.-CALIFORNIA-LOS ANGELES COUNTY-EARTHQUAKE DRILL

(241017) -- LOS ANGELES COUNTY, Oct. 17, 2024 (Xinhua) -- People practice Drop, Cover and Hold On during an earthquake preparedness drill in Los Angeles County, California, the United States, on Oct. 17, 2024. More than 10 million Californians on Thursday took part in an annual statewide earthquake preparedness drill, the world's largest earthquake drill. (Photo by Qiu Chen/Xinhua)