Ocean Spiral: Japanese firm plans underwater city powered by seabed, Japan
![Ocean Spiral: Japanese firm plans underwater city powered by seabed, Japan](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2014/11/20/1416476281229/Okinawa-Churaumi-aquarium-010.jpg?width=620&quality=85&auto=format&fit=max&s=d0e606d9dac25565b162935798221b4f)
![](https://i.ytimg.com/vi/k6vNL3nQimE/maxresdefault.jpg)
Japan's $28 Billions Underwater City - Ocean Spiral City
![](https://www.tokyoweekender.com/wp-content/uploads/2022/08/shimizu-pyramid.jpg)
5 Architectural Visions for the Future of Tokyo
![](https://www.nydailynews.com/wp-content/uploads/migration/2015/01/07/SQ7MDCX5PEV6NKZOILTO5UQF4M.jpg)
5 incredible concept designs of future cities that seem out of this world – New York Daily News
![](https://www.shimz.co.jp/en/topics/dream/content01/images/img_index_15.jpg)
OCEAN SPIRAL, Deep Sea Future City Concept, Topics
![](https://static.designboom.com/wp-content/uploads/2024/01/tikari-studio-room-around-tree-designboom-700-250x200-22b08q85r322.jpg)
ocean spiral envisioned as the world's first underwater city
![](https://sm.ign.com/t/ign_za/news/j/japanese-engineering-firm-wants-to-build-an-underw/japanese-engineering-firm-wants-to-build-an-underw_b94s.1200.jpg)
Japanese engineering firm wants to build an underwater city
How practical are underwater cities for the future? - Quora
![](https://www.shimz.co.jp/en/topics/dream/content01/images/img_index_14.jpg)
OCEAN SPIRAL, Deep Sea Future City Concept, Topics
![](https://www.shimz.co.jp/en/topics/dream/content01/images/img_index_02.jpg)
OCEAN SPIRAL, Deep Sea Future City Concept, Topics
![](https://www.shimz.co.jp/en/topics/dream/content01/images/img_index_12.jpg)
OCEAN SPIRAL, Deep Sea Future City Concept, Topics
![](https://cdn.i-scmp.com/sites/default/files/styles/800x1200/public/2014/11/24/n3.gif?itok=ytlm8Aq2)
Japanese firm proposes undersea city of 5,000 people
![](https://upload.wikimedia.org/wikipedia/commons/6/67/AndrasGyorfi.jpg)
Ocean colonization - Wikipedia
![](https://www.technowize.com/wp-content/uploads/2015/01/Japan-Underwater-city.jpg)
Japanese Firm Plans to Build World's First Underwater City