Core Viewpoint - The article highlights the innovative and interactive experiences at the 2025 Service Trade Fair in the Tongzhou sub-center, showcasing the integration of technology and culture through engaging activities like virtual cycling along the Grand Canal [1] Group 1 - The event features a creative cultural IP centered around the Grand Canal, emphasizing its appeal and uniqueness [1] - Attendees can interact with AI to create art, showcasing advancements in technology and user engagement [1] - The overall atmosphere of the sub-center is described as fun and immersive, encouraging visitors to stay longer and enjoy the experiences [1]