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Expo 70

EXPO Osaka 1970
EXPO TOWER.JPG
Kiyonari Kikutake's Landmark Tower, Osaka Expo, 1970
Overview
BIE-class Universal exposition
Category First category General Exposition
Name Expo 70
Motto Progress and Harmony for Mankind
Building Symbol Zone's space frame
Area 330 hectares (820 acres)
Visitors 64.218.770
Participant(s)
Countries 78 along with 4 international organizations
Location
Country Japan
City Osaka
Venue Suita
Coordinates 34°48′31″N 135°32′6.8″E / 34.80861°N 135.535222°E / 34.80861; 135.535222
Timeline
Awarded May 11, 1966 (1966-05-11)
Opening March 15, 1970 (1970-03-15)
Closure September 13, 1970 (1970-09-13)
Universal expositions
Previous Expo 67 in Montreal
Next Seville Expo '92 in Seville
Specialized Expositions
Previous HemisFair '68 in San Antonio
Next Expo 71 in Budapest
Horticultural expositions
Previous Paris 1969 in Paris
Next Floriade (Netherlands) 1972 in Amsterdam

Expo '70 (日本万国博覧会 Nihon Bankoku Hakuran-kai?) was a world's fair held in Suita, Osaka, Japan, between March 15 and September 13, 1970. The theme of the Expo was "Progress and Harmony for Mankind." In Japanese, Expo '70 is often referred to as Osaka Banpaku (大阪万博 Ōsaka Banpaku?). This was the first world's fair held in Japan.

The master plan for the Expo was designed by the Japanese architect Kenzo Tange helped by 12 other Japanese architects who designed elements within it. Bridging the site along a north/south axis was the Symbol Zone. Planned on three levels it was primarily a social space which had a unifying space frame roof.

Osaka was chosen as the site for the 1970 World Exposition by the Bureau of International Expositions in 1965. 330 hectares in the Senri Hills outside Osaka had been earmarked for the site and a Theme Committee under the chairmanship of Seiji Kaya was formed. Kenzo Tange and Uzo Nishiyama were appointed to produce the master plan for the Expo. The main theme would be Progress and Harmony for Mankind. Tange invited 12 other architects to elucidate designs for elements within the master plan. These architects included: Arata Isozaki for the Festival Plaza mechanical, electrical and electronic installations; and Kiyonori Kikutake for the Landmark Tower.

Two main principles informed the idea of the master plan. The first was the idea that the wisdom of all the peoples of the world would come together in this place and stimulate ideas; the second was that it would be less of an exposition and more of a festival. The designers thought that unlike previous expositions they wished to produce a central, unifying, Festival Plaza where people could meet and socialise. They called this the Symbol Zone and covered it and the themed pavilions with a giant space frame roof.


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