Group 1 - The event on January 10, themed "Zero Distance Between Police and Citizens, Together for Safety," was organized by Chengdu Public Security Bureau to celebrate the sixth China People's Police Day [1] - The open day featured various activities including equipment displays, practical drills, and interactive experiences, allowing citizens to immerse themselves in the capabilities of public security work [1] - Advanced police equipment such as drones, bomb disposal gear, and forensic investigation tools were showcased, with police officers explaining their applications in patrol and case resolution [7][18] Group 2 - Children actively engaged with police robots and experienced police equipment, highlighting the event's focus on community involvement and education [5][7] - The event served as a bridge for communication between the police and the public, transforming citizens from mere observers of public safety to active participants [13] - Various themed areas included anti-fraud knowledge quizzes, drug prevention displays, and traffic safety interactions, enabling citizens to learn safety skills in a fun environment [7][11]