Floating cities. Recent developments and promising concepts.
Oceanix: https://oceanix.org/
Shimizu corporation, Ocean Spiral: https://www.shimz.co.jp/en/topics/dre...
Green float: https://www.shimz.co.jp/en/topics/dre...
Lilypad: http://vincent.callebaut.org/object/0...
Seasteading institute: https://www.seasteading.org/