Group 1 - The core viewpoint emphasizes the proactive measures taken by Liaocheng City to enhance flood prevention and management through a structured hierarchy of river and lake management [1][2] - Liaocheng City has established a comprehensive organizational system involving over 6,600 river and lake managers and more than 1,300 administrators to ensure effective flood control and disaster response [1] - The city has identified and rectified 870 flood safety hazards before the flood season, demonstrating a commitment to disaster risk reduction [1] Group 2 - The implementation of the river chief system includes regular training for village-level river chiefs to strengthen grassroots management capabilities, with over 20 training sessions conducted [2] - Liaocheng City has initiated a collaborative mechanism involving river chiefs, police chiefs, and prosecutors to enhance water administration and judicial integration [2] - The city is currently in a critical flood prevention period, with a focus on monitoring flood control measures across urban and rural areas [2]