# Multi-Functional Waterfront Complex Designs Akihisa Hirata Architecture Office Presents Ray Garden By Kalin Ned | Published 2025-07-09 | Art & Design Source: Trend Hunter, https://www.trendhunter.com/trends/ray-garden References: [archdaily](https://www.archdaily.com/1031796/expo-national-day-hall-ray-garden-akihisa-hirata-architecture-office) The EXPO National Day Hall 'Ray Garden' by Akihisa Hirata Architecture Office presents a visionary interpretation of the 2025 Osaka Kansai Expo's theme through its [organic, interconnected design](https://www.trendhunter.com/trends/pasona-natureverse-pavilion). Spanning nearly 5,000 square meters along Osaka's waterfront, the complex merges [ceremonial, exhibition, and dining functions](https://www.trendhunter.com/trends/hengqin-culture-and-art-complex) within a structure that appears to grow from its surroundings like natural formations. Akihisa Hirata Architecture Office's signature approach manifests in layered slab strips that recall drifting clouds and swaying grasses. This creates dynamic interior-exterior relationships while referencing the site's historical role in international exchange. The building's diagonal orientation mirrors both regional topography and prevailing wind patterns, with [native vegetation on its roof](https://www.trendhunter.com/trends/waterhouseoyama) reinforcing the connection to local ecology. Transitions between enclosed event spaces and open-air areas occur seamlessly, as well. These are enhanced by the structure's fluid geometries that guide visitors through varied experiences. Image Credit: Kenya Chiba ## Trend Insights (Trend Hunter) - Score: 3.3/10 - Popularity: 43% | Activity: 12% | Freshness: 45% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: Asia ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Art & Design](https://www.trendhunter.com/artdesign) > [Design](https://www.trendhunter.com/design) ## Key Themes ### Why This Trend Is Growing - **Organic Architectural Design:** The use of fluid geometries that echo natural formations offers opportunities for creating immersive environments that harmonize with local ecologies. - **Multi-functional Spaces:** Combining ceremonial, exhibition, and dining functions in a single complex highlights the potential for versatile structures that cater to diverse community needs. - **Dynamic Interior-exterior Integration:** The seamless transitions between enclosed and open-air areas allow for innovative designs that enhance visitor engagement through flexible experience zones. ### Industries Being Reshaped - **Sustainable Architecture:** Integrating native vegetation and eco-friendly design principles showcases a commitment to green building practices that respect and enhance the surrounding environment. - **Event and Exhibition Spaces:** Designing spaces that accommodate both formal events and exhibitions in varied settings offers opportunities for creative venue solutions in urban contexts. - **Civic and Community Development:** Creating waterfront complexes that serve multiple functions can revitalize urban areas and reinforce the site as a hub for international and cultural exchanges. ## Related on Trend Hunter - [Vast Wooden Structural Pavilions](https://www.trendhunter.com/trends/grand-ring.md) - [Sleek Spiralling Ramp Pavilions](https://www.trendhunter.com/trends/czech-pavilion.md) - [Glowing Sphere Art Pavilions](https://www.trendhunter.com/trends/netherlands-pavilion.md) - [Traditional Sailing-Inspired Pavilions](https://www.trendhunter.com/trends/from-the-coastline-we-progress.md) - [Greenhouse Office Pavilions](https://www.trendhunter.com/trends/office-for-roundtable.md) - [Compact Public Art Kiosks](https://www.trendhunter.com/trends/hiroshima-architecture-exhibition.md) - [Serene Waterfront Pavilions](https://www.trendhunter.com/trends/lake-house-life-experience-pavilion.md) - [Voyage Boat-Like Pavilions](https://www.trendhunter.com/trends/bahrain-pavilion.md) - [Metal Roof Topped Offices](https://www.trendhunter.com/trends/office-in-hashima.md)