Japanese Architecture

The Spanish Pavilion at the Expo Osaka 2025 is designed by the architecture and design practices Néstor Montenegro (EXTUDIO), Enorme Studio, and Smart and Green Design. This comes after being selected in the public competition organized by the Spanish Cultural Action (AC / E), the institution responsible for representing the country in Universal and International Expositions. Located in the northern section of the 65-hectare Pavilion World, within the thematic area of Connecting Lives, the pavilion highlights the key concepts of Oceand and Sun, Sustainability and Circularity, and Craftsmanship Knowledge. The exhibition will be open throughout the event, until October 13, 2025.

The 2025 Osaka Expo has captured widespread attention—not only for its architectural ambition and spectacle, but also for breaking records and generating controversy. Its most iconic feature, a monumental timber ring designed by Sou Fujimoto, has already made headlines as a Guinness World Record-breaking wooden structure. Built on the reclaimed island of Yumeshima, the site has attracted praise and critique in equal measure. Beyond its awe-inspiring 2-kilometer circumference—parts of which extend dramatically over the water—the structure has also drawn concerns, including questions about health & safety, extreme heat, and swarms of insects that may affect the visitor experience.

Expo 2025 officially opened its doors on April 13, 2025, on Yumeshima, a reclaimed island in Osaka Bay. Held under the theme "Designing Future Society for Our Lives," the event brings together over 150 countries and international organizations to address pressing global challenges through architecture, technology, and design. At the center of the Expo grounds stands the Grand Ring, a monumental circular structure designed by Japanese architect Sou Fujimoto. Spanning approximately 2 kilometers in circumference and rising to 20 meters in height, the timber structure encircles the main exhibition area and was recognised by Guinness World Records as "The largest wooden architectural structure".

When examining photos of Japanese houses, one frequently notices a recurring space with tatami mats, often slightly elevated and integrated into the public areas of the home. This is the washitsu, or Japanese-style room: a traditional, multipurpose space still commonly found in modern residential architecture. Used for activities ranging from reading and sleeping to hosting a family altar, its versatility is central to its continued relevance. This article explores the Washitsu's layout and meaning, beginning with its historical origins to better understand its role and interpretation in contemporary Japanese homes.

What can a pavilion’s architecture reveal about its country? At major World Expos, national pavilions are designed to answer this question, transforming into spaces laden with symbolism. Though temporary, these structures are rich in meaning, functioning as architectural expressions of political identity. Their forms and materials encapsulate national ambitions. Expo Osaka 2025, the latest chapter in this ongoing narrative, showcases how nations increasingly use built space to construct global images of themselves—sustainable, technological, culturally distinct, and geopolitically relevant.

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Water is a catalyst for sensory experiences: it manifests through direct contact when touched, through its presence when heard or seen reflected, and through its transformations—whether by temperature, from cold to heat, or by state, from liquid to vapor. It is a key element in designing for the senses, capable of evoking physically and emotionally perceived atmospheres. As Juhani Pallasmaa suggests, architecture does not address the eye alone but involves the whole body and sensory memory. The bathroom, in particular, concentrates much of the physical and emotional experience associated with water, opening up possibilities for creating environments that intensify that sensory connection. Consequently, the question arises: what elements or concepts should shape this space so that the shower experience escapes the ordinary?

Japan, one of the places known for its high longevity, is critically facing a demographic shift. As the aging population continues to grow, so too does the demand for thoughtful, well-designed spaces that support elderly care. Traditionally, caregiving was woven into the fabric of family life, often falling on the shoulders of female members in a patriarchal society. However, as a traditional big family structure largely dissolves and the nuclear family becomes the norm, elder care increasingly relies on social welfare services and specialized facilities.

The Indonesia Pavilion at Expo 2025 Osaka, open to visitors from April 13 to October 13, 2025, showcases a combination of tradition and forward-looking vision in alignment with the Expo's theme, "Designing Future Society for Our Lives." Symbolizing the philosophy of "Diversity in Unity," the pavilion draws inspiration from Indonesia's rich maritime history. Its structure takes the form of a stylized boat hull, representing progress and resilience. The rising shape of the design reflects Indonesia's optimistic outlook, moving forward, facing challenges with determination, and striving to achieve ambitious goals.

Officially open since April 13 as part of Expo 2025 Osaka, the German Pavilion, designed by LAVA Architects. brings to life the theme of the circular economy. Previously unveiled under the title "Wa! Doitsu" (translated as "Wow! Germany"), the Pavilion explores concepts around circularity, showcasing the "terminological culmination of the sustainability discussion." Focusing on returning all consumable goods to the cycle of the economy, achieving zero waste, and minimizing resource consumption, the theme is visible throughout the entire design.

Expo Osaka 2025 officially opened its doors on April 13 in Osaka, Japan. The Philippines' exhibition for this edition opened with a pavilion designed by the Filipino-led architectural firm Carlo Calma Consultancy Inc., in partnership with Japanese executive architect Cat Inc., who also handled project management. Titled "Woven," the pavilion reflects the country's connections to nature, its cultural heritage, and its community values. With the theme "Nature, Culture & Community: Woven Together for a Better Future," the pavilion aims to highlight the Philippines' creativity, diversity, and aspirations for sustainable development while inviting visitors to engage with its cultural and environmental priorities.