Core Viewpoint - The "What is China: Yellow River Safety" online theme promotion event was launched in Zhengzhou, Henan Province, highlighting the cultural and ecological significance of the Yellow River in shaping national identity and cultural confidence [1]. Group 1: Cultural and Ecological Significance - The Zhengzhou Yellow River Cultural Park, established from the 1970s, serves as a vital cultural and ecological hub, marking the starting point of the Yellow River's "suspended river" and the boundary between the Loess Plateau and the Yellow River's middle and lower reaches [2]. - The park features the "Three Bridges Convergence" site, showcasing a railway bridge museum that reflects a century of railway evolution in China, alongside a scenic area with rich flora and fauna [3]. - The park has transformed from barren land to a thriving cultural theme park, integrating educational travel, scientific education, geological relics, and Yellow River culture, benefiting the local community [5]. Group 2: Environmental Management and Technological Advancements - The Zhengzhou Yellow River Cultural Park has successfully greened over 8,000 acres of barren mountains, achieving a forest coverage rate of over 90%, thus providing a robust ecological barrier for the Yellow River [6]. - The Yellow River in Zhengzhou, spanning 160 kilometers, is a critical area for flood prevention, with advanced technology being employed for real-time monitoring and decision-making in flood management [7]. - The establishment of the Yellow River flood prevention intelligence system has streamlined communication and response times, allowing for automated flood level assessments based on real-time water flow data [7]. - The "Model Yellow River," an 800-meter long physical model, aids in providing technical support for flood management decisions and strategies [9].