Core Insights - The International Olympic Committee (IOC) Executive Director Christopher Dubi praised the sustainable development and technological innovations of the Beijing Winter Olympics, stating that these achievements provide valuable experience for future Olympic events [1][3]. Group 1: Sustainable Development - All venues of the Beijing Winter Olympics were powered by the city's green power grid, utilizing renewable energy without the need for temporary power facilities [7]. - The event made significant advancements in snow-making and water resource recycling, particularly in the Yanqing competition area [7]. Group 2: Technological Innovations - The Beijing Winter Olympics introduced a new refrigerant technology for ice rinks, which had never been applied before, resulting in high ice quality and significantly reduced environmental impact [7]. - Many Chinese brands showcased innovative technologies at a major winter sports exhibition, including artificial snow technology that could simulate snowfall indoors [3]. Group 3: Growth of Winter Sports - The popularity of winter sports in China has surged, with participation numbers rising from an initial target of 300 million to nearly 400 million, largely attributed to the influence of the Beijing Winter Olympics [5].