Concrete for Large Floating Structures by. Douglas Wilson. Department of Ocean Engineering. University of Hawaii. NATIONAL SEA GRANT DEPOSITORY
The unique floating city called Aquapolis built at Hiroshima for the International Ocean Exposition at Okinawa, 1975 © Keystone Pictures USA/ZUMAPRESS.comhttps://i0.wp.com/misfitsarchitecture.com/wp-content/uploads/2015/02/015-aquapolis-fairgrounds1.jpg?w=600&ssl=1
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Artists concept of what Aquapolis could have become…
After the Expo was over, the site became Okinawa Commemorative National Government Park (国営沖縄記念公園), also known as Ocean Expo Park. Most of the exhibits were removed, although the Aquapolis was retained as an attraction and eventually hosted four million visitors. As years passed, the number of visitors to the Aquapolis declined and it was closed in 1993. In October 2000, the Aquapolis was towed away to Shanghai to be scrapped.
The Okinawa Churaumi Aquarium and Tropical & Subtropical Arboretum were later constructed on the site.