Official designation: Nippon Bankoku Hakurankai Japan World Exposition (EXPO '70) Duration: 15 March - 13 September 1970, 183 days Opening: 14 March, 11 am Theme: Jinrui no Shinpo to Chowa Progress and Harmony for Mankind - onward to more joy of life - to better use of nature - to better organisation of life - to better reciprocal understanding Organiser: The Japan Association for the 1970 World Exposition President: Taizo Ishizaka Place:Senri Hill, near Osaka, Japan Area hectares: 330 hectares of which 228 hectares exhibition area, 186 foreign exhibitors Invited participants: 126 countries and 21 international organisations Participants: 77 countries, 4 international organisations, 32 Japanese companies and public institutions and 10 provincial and city Visitors: 64,218,770, of which 62,515,770 Japanese and 1.7 million foreigners, 835,832 visitors on 5 September Entrance charge: 800 Yen = $2.17 Costs: Construction costs:: 36,891,240,784 Yen Operating costs: 53,219,664,871 Yen Profit: 19,439,402,017 Yen (= 52,820,000 US-Dollars) Buildings: 32 Japanese and 84 foreign pavilions Classification: 99 sections, 56 groups, 320 classes