Imagining a city of the future: Architectural experimentation, interdisciplinary collaboration, and debate at Expo 1970 Osaka

Image credit: Expo '70 Commemorative Park

World Expo 1970, hosted by the city of Suita, Osaka, in Japan and organised around the theme of the “Progress and Harmony for Mankind,” was the first World Expo held in an Asian country, and attracted a record 64 million visitors. Through its integration of advanced technology, immersive multi-media environments, and dazzling architecture, Expo 1970 Osaka projected Japan as a simulation-site for a future society. Indeed, many Japanese journalistic accounts heralded the Expo as the City of the Future (mirai no toshi).

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Expo 1970 Osaka: the story of Japan’s first World Expo

Expo 1970 Osaka: the story of Japan’s first World Expo

Fifty years have passed since the first World Expo in Japan: Expo 1970 Osaka. The Expo was held from 15 March to 13 September 1970, under the theme “Progress and Harmony for Mankind”. It was a category-one General Exhibition under the Convention Relating to International Exhibitions.

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A to Z of Innovations at Expos: Mobile phone

A to Z of Innovations at Expos: Mobile phone

Without mobile phones, modern society would not be the same. Fifty years ago, visitors to World Expo 1970 Osaka had the first opportunity to discover what this technology offered, giving them a glimpse into a much more connected – and mobile – future.

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A to Z of Innovations at Expos: IMAX

A to Z of Innovations at Expos: IMAX

Among the many ways in which Expos have been at the forefront of innovations in public entertainment, the worldwide début of IMAX cinema at Expo 1970 Osaka is one of the most significant.

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A to Z of Innovations at Expos: Radio-controlled clock

A to Z of Innovations at Expos: Radio-controlled clock

Expo 1970 Osaka – the first World Expo held in Asia – was a showcase of Japan’s rapid growth and its status as a country of technological innovation. Among the many cutting-edge creations on display, the Expo’s official clock system was one of the most impressive.

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Sealed memories, eye on the future: Time Capsules and World Expos

Sealed memories, eye on the future: Time Capsules and World Expos

Time capsules, those repositories of artifacts concealed for the future, have a long association with Expos. A project in Seattle this year is inviting people to continue a capsule tradition at the Space Needle on the site of World Expo 1962 - Seattle’s Century 21 Exposition.

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A to Z of Expo Architecture: Kenzō Tange

A to Z of Expo Architecture: Kenzō Tange

Kenzō Tange, one of Japan’s leading architects of the 20th century, occupies the T position in the A to Z of Expo Architects. Known for combining Japanese traditions and Western influences in his celebrated urban projects, the Pritzker laureate was the main planner for World Expo 1970 Osaka and designed the Expo’s mammoth Festival Plaza.

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A to Z of Expo Architects: Kisho Kurokawa

A to Z of Expo Architects: Kisho Kurokawa

Taking the letter K in the Expo Architects series is Kisho Kurokawa, a leading figure in Japanese architecture of the 20th century who pioneered organic structures. At Osaka’s futuristic World Expo 1970, Kurokawa designed three pavilions: the Capsule House theme pavilion, the Takara Beautilion pavilion and the Toshiba-IHI pavilion.

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Showcasing Brazil to the world: Paulo Mendes da Rocha

Brazil's pavilion at Expo 1970

Star architect Paulo Mendes da Rocha, born in Espirito Santo on 25 October 1928, turns 90 today. Opening his Sao Paolo office in 1955, Mendes da Rocha quickly established himself as an architect of the Paulista school, which contrasted sophisticated engineering with a ‘rough’ finish.

It was this approach that saw Mendes da Rocha chosen to design Brazil’s pavilion at World Expo 1970 Osaka, a creation that served as a springboard for his career.

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Osaka’s Tower of the Sun to reopen for weekend

Osaka’s Tower of the Sun to reopen for weekend

The Tower of the Sun, the iconic symbol of Expo 1970 Osaka, is to reopen to the public this weekend before undergoing structural renovations. Aside from certain rare occasions, the Tower has not been open for visits since the Expo closed over 46 years ago. This weekend’s exceptional opening will thus be a rare opportunity for visitors to rediscover the interior of the 70-metre tower, designed by Japanese artist Tarō Okamoto.

The Government of the Prefecture of Osaka initially planned for the totem-like tower to be open for one day only, asking members of the public to apply for the chance to be one of the 500 selected to visit. After over 40,000 applications were received, the Prefecture opted to extend the opening to the whole weekend, although places are still limited to 1,300. According to the Prefecture, many of those interested in visiting are from the older generation, suggesting a feeling of nostalgia from the days of the Expo.

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Japan's largest Ferris Wheel opens in Osaka's Expocity

Japan's largest Ferris Wheel opens in Osaka's Expocity

Expo 1970 in Osaka may have closed to the public more than 45 years ago, but the former Expo site continues to attract visitors. Today, locals and tourists alike have another reason to visit, with the opening of a 123-metre Ferris wheel – the largest in Japan and fifth largest in the world - in Osaka’s Expocity. The Redhorse Osaka Wheel provides riders with a breathtaking view of the Tower of the Sun, the iconic symbol of Expo 1970.

Since Expo 1970 came to an end, the original site has been partly preserved and partly renovated, allowing it to hold onto the Expo’s legacy while offering new activities to attract visitors. The 330-hectare site boasts a range of attractions, including the memorial park, a children’s museum, and ‘Expocity’ – Japan’s largest commercial complex in which the Redhorse Osaka Wheel is located.

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