在雄伟的长城脚下、美丽的妫水河畔，有一座最美冬奥城。北京市十六届人大四次会议期间，延庆区委 副书记、区长张若冰接受了新京报记者的专访。他说，延庆是北京的生态涵养区，长城、世园、冬奥三 张"金名片"集中体现了这里的特色优势和发展成果。未来五年，延庆将以三张"金名片"引领生态文明幸 福的最美冬奥城建设。 ■谈长城 争当北京长城文化带建设"领头雁" 新京报：长城是中华民族的代表性符号和中华文明的重要象征，在具体实践中，延庆在长城保护中做了 哪些创新性工作？ 张若冰：我们深入践行习近平总书记给八达岭镇石峡村乡亲们的重要回信精神，"像守护家园一样守护 好长城，弘扬长城文化，讲好长城故事"，全力争当长城文化带建设"领头雁"，让万里长城既有"历史厚 度"，更有"时代温度"。 我们守护长城根脉，筑牢保护屏障。率先实行制度性保护，构建起"专项规划+行动计划"的长城保护体 系，让保护工作有章可循、有规可依。注重加强预防性保护，累计完成23公里长城保护修缮，用匠心延 续长城的岁月印记与历史肌理。我们还创新开启科技性保护，通过三维扫描、数字化建模等技术，构建 全程可回溯的数字化档案，让千年长城"永驻云端"，树立数字时代文化遗产保护新 ...

Group 1: Transformation and Utilization of the Expo Venue - The Expo venue has transitioned from a temporary event to a year-round attraction, showcasing a unique path for post-event utilization in Yanqing District [4][5] - The China Pavilion has been upgraded to an ecological civilization display platform, while the International Pavilion has transformed into a multifunctional venue hosting sports events and exhibitions [4] - Visitor engagement has increased significantly, with average stay duration extending from 3 hours to 2.5 days, and overnight stay rates reaching 45% [5] Group 2: Ecological and Environmental Initiatives - Yanqing District has prioritized ecological indicators, achieving an air quality improvement with 308 days of good air quality projected for 2024, the only district in Beijing to exceed 300 days [2] - The district has implemented comprehensive water resource management, ensuring 100% safety rates for drinking water sources and stable water quality across seven assessment points [2] - The area boasts a biodiversity richness, with 100 species of nationally protected wildlife and 12 species of protected plants, making it one of the most biodiverse districts in Beijing [3] Group 3: Cultural and Tourism Development - The upcoming China Great Wall Museum is set to open next year, enhancing the cultural significance of the Great Wall, which spans 179.2 kilometers in the district [6][7] - Yanqing District aims to develop a world-class Great Wall scenic area, integrating various historical sites and promoting cultural tourism [7] - The district is projected to receive 24.55 million tourists in 2024, with a total tourism expenditure of 13.5 billion yuan, reflecting a growth of 21.1% and 10.8% respectively [8]