香山彩叶进入最佳观赏期，派出所门口提供便民热水方便游客

Group 1 - The article highlights the autumn foliage season in Beijing, particularly in Xiangshan Park and the National Botanical Garden, where the police are ensuring the safety and comfort of visitors through comprehensive security measures [1] - The Haidian police have developed a detailed security plan based on an analysis of peak visitor times and congested areas, deploying additional personnel in high-traffic zones [1] - A "leaf viewing map" has been introduced by Xiangshan Park, featuring 18 selected viewing points to enhance the autumn experience for visitors [2] Group 2 - The Xiangshan police station has established a rapid response mechanism to assist visitors who may get lost or require help, including the installation of 215 rescue warning signs in various parks [3] - A recent incident is described where police successfully reunited an elderly couple who had become separated in the park, demonstrating the effectiveness of the police's quick response capabilities [3]