Core Viewpoint - The article highlights the severe impact of continuous heavy rainfall in Zhaoqing, Guangdong, particularly focusing on the North Ridge Flood Drainage Channel, which is crucial for protecting the lives and properties of thousands of residents [2][5][11]. Group 1: Rainfall Impact - From the night of August 3 to August 4, Zhaoqing experienced persistent heavy rainfall, leading to significant flooding and landslides [2][6]. - The North Ridge Flood Drainage Channel, spanning 19.167 kilometers, was heavily affected, with mud, stones, and debris blocking its flow [3][5]. Group 2: Emergency Response - The local water rescue team, along with experts, quickly mobilized to address the urgent situation, emphasizing the critical nature of the drainage channel for flood safety in the urban area [10][12]. - Rescue operations faced severe challenges, including water depths reaching 3 meters and blocked access due to debris, necessitating manual labor for clearing [15][16]. Group 3: Recovery Efforts - After nearly 15 hours of intense work, the rescue team managed to restore the drainage capacity of a key section of the channel, alleviating immediate flood risks [25][26]. - Continuous efforts were made to clear remaining blockages, with the team demonstrating commitment to public safety and emergency management [28][36].