Police officers showcase their skills during the Police Open Day event in Nanjing on August 24, 2025. (Photo/CFP)

A police drone conducts an aerial inspection during the Police Open Day event in Nanjing on August 24, 2025. (Photo/CFP)

A police officer demonstrates motorcycle riding skills during the Police Open Day event in Nanjing on August 24, 2025. (Photo/CFP)

Police officers demonstrate motorcycle riding skills during the Police Open Day event in Nanjing on August 24, 2025. (Photo/CFP)