A police officer introduces anti-drug knowledge to passengers at a train station in Lianyungang, east China's Jiangsu Province, June 25, 2025. This year's June 26 marks the 38th International Day Against Drug Abuse and Illicit Trafficking. Publicity and education activities were held in many places in China to promote the anti-drug awareness. (Photo by Wang Chun/Xinhua)

　　A police officer leads a sniffer dog to search narcotics during a presentation event at a university in Shijiazhuang, north China's Hebei Province, June 26, 2025. This year's June 26 marks the 38th International Day Against Drug Abuse and Illicit Trafficking. Publicity and education activities were held in many places in China to promote the anti-drug awareness. (Photo by Liang Zidong/Xinhua)

　　A police officer explains anti-drug knowledge to children at a park in Jiyuan City, central China's Henan Province, June 26, 2025. This year's June 26 marks the 38th International Day Against Drug Abuse and Illicit Trafficking. Publicity and education activities were held in many places in China to promote the anti-drug awareness. (Photo by Miao Qiunao/Xinhua)