A Hui ethnic minority man walks past cracked walls and collapsed brick walls in the aftermath of an earthquake in Dahejia town in northwestern China's Gansu province, Wednesday, Dec. 20, 2023. A strong overnight earthquake rattled a mountainous region of northwestern China, authorities said Tuesday, destroying homes, leaving residents out in a below-freezing winter night and killing many in the nation's deadliest quake in nine years. (AP Photo/Ng Han Guan)