Group 1 - The 27th Harbin Ice and Snow World closed on the 21st, with the Dream Ice and Snow Pavilion officially opening at 12 PM on the 22nd [1] - The pavilion features popular ice structures such as the ice piano, steam train, and ice harp, continuing the enchanting ice and snow story [3]

Group 1 - The 42nd China Harbin International Ice and Snow Festival opened on January 5, showcasing a 1.2 million square meter park filled with innovative ice sculptures and interactive technology, attracting visitors despite the -20°C temperatures [1] - The festival features advanced technologies such as the "Chameleon" project, which allows ice sculptures to change colors based on the clothing colors of visitors, enhancing the interactive experience [1][2] - The "Sound Wave Echo" technology synchronizes light and sound, creating a dynamic visual display in response to the ringing of a bell, showcasing the integration of AI in enhancing visitor engagement [2] Group 2 - The 38th Sun Island International Snow Sculpture Art Expo faced challenges due to warm winter weather, leading to innovative solutions like the "artificial snow recycling" plan, which effectively utilized 120,000 cubic meters of snow for various sculptures [3] - The incorporation of technology into ice and snow art has revitalized the experience, with features like 360-degree viewing and interactive installations that respond to visitor actions, such as the "Ice Harp" that triggers sound and light when played [3] - The Harbin government aims to optimize ice and snow tourism products and services, with projections indicating that the ice and snow economy in Heilongjiang Province will exceed 300 billion yuan by 2025, reflecting a growth rate of over 12% [4]