A woman walks among the Waves of Flags at Pepperdine University in Malibu, California, the United States, on Sept. 10, 2025. Each September, the university stages the Waves of Flags display to honor the victims of the 9/11 attacks. (Photo by Qiu Chen/Xinhua)

People walk among the Waves of Flags at Pepperdine University in Malibu, California, the United States, on Sept. 10, 2025. Each September, the university stages the Waves of Flags display to honor the victims of the 9/11 attacks. (Photo by Qiu Chen/Xinhua)