Core Theme - The 2025 Osaka-Kansai Expo, themed "Envisioning a Vibrant Future Society," is showcasing diverse cultures and innovative solutions to global challenges, attracting significant international participation and visitor engagement [1][2][3]. Group 1: Expo Overview - The Osaka Expo is taking place from April 13 to October 13, 2025, with participation from 158 countries and regions, as well as 7 international organizations [1]. - The event has already attracted approximately 5.07 million visitors by June 1, 2025, with the China Pavilion receiving 428,837 visitors by June 6, 2025 [1][2]. Group 2: Architectural Highlights - The main structure, "Circular Roof," is a 2-kilometer long and 20-meter high wooden building, recognized by Guinness World Records as the largest wooden structure globally [2]. - The design aims to promote harmony among diverse cultures, with lighting that changes according to the time of day and season [2]. Group 3: Cultural Exhibitions - The China Pavilion, covering 3,500 square meters, features 119 Chinese poetry inscriptions and hosts various cultural and technological exchange activities [2]. - Visitors have expressed admiration for China's advancements in zero-carbon architecture and future city concepts [2]. Group 4: Sustainable Development Initiatives - The Expo emphasizes sustainable development, with Japan's pavilion showcasing a waste processing facility that generates biogas for energy [3]. - Portugal's pavilion focuses on ocean conservation, using immersive experiences to raise awareness about marine environmental protection [3]. Group 5: Technological Innovations - The Expo features cutting-edge technologies, including the world's first hydrogen-powered vending machine developed by Coca-Cola and Fuji Electric, which operates without an external power source [5]. - Panasonic's pavilion demonstrates advancements in agricultural productivity, with significant increases in crop yields through innovative technologies [5]. Group 6: Future Prospects - The Expo aims to address global issues and contribute to the United Nations' 2030 Sustainable Development Goals, showcasing new technologies and products that enhance daily life [5].

Core Viewpoint - The article discusses the unveiling of the "Future Human Bathing Machine" at the Osaka World Expo, highlighting its innovative features and potential impact on the bathing industry [1]. Group 1 - The "Future Human Bathing Machine" is designed to enhance the bathing experience through advanced technology, aiming to cater to modern lifestyle needs [1]. - The machine incorporates features such as automated cleaning and water recycling, which align with sustainability trends in the industry [1]. - The introduction of this technology at a global event like the Osaka World Expo signifies a shift towards integrating technology in everyday personal care routines [1].